11.3. Data Definitions for libc

This section defines global identifiers and their values that are associated with interfaces contained in libc. These definitions are organized into groups that correspond to system headers. This convention is used as a convenience for the reader, and does not imply the existence of these headers, or their content. Where an interface is defined as requiring a particular system header file all of the data definitions for that system header file presented here shall be in effect.

This section gives data definitions to promote binary application portability, not to repeat source interface definitions available elsewhere. System providers and application developers should use this ABI to supplement - not to replace - source interface definition specifications.

This specification uses the ISO C (1999) C Language as the reference programming language, and data definitions are specified in ISO C format. The C language is used here as a convenient notation. Using a C language description of these data objects does not preclude their use by other programming languages.

11.3.1. arpa/inet.h


extern uint32_t htonl(uint32_t);
extern uint16_t htons(uint16_t);
extern in_addr_t inet_addr(const char *);
extern char *inet_ntoa(struct in_addr);
extern const char *inet_ntop(int, const void *, char *, socklen_t);
extern int inet_pton(int, const char *, void *);
extern uint32_t ntohl(uint32_t);
extern uint16_t ntohs(uint16_t);

11.3.2. assert.h


extern void __assert_fail(const char *, const char *, unsigned int,
			  const char *);

11.3.3. ctype.h


extern int _tolower(int);
extern int _toupper(int);
extern int isalnum(int);
extern int isalpha(int);
extern int isascii(int);
extern int iscntrl(int);
extern int isdigit(int);
extern int isgraph(int);
extern int islower(int);
extern int isprint(int);
extern int ispunct(int);
extern int isspace(int);
extern int isupper(int);
extern int isxdigit(int);
extern int toascii(int);
extern int tolower(int);
extern int toupper(int);
extern int isblank(int);
extern const unsigned short **__ctype_b_loc(void);
extern const int32_t **__ctype_toupper_loc(void);
extern const int32_t **__ctype_tolower_loc(void);

11.3.4. dirent.h


extern void rewinddir(DIR *);
extern void seekdir(DIR *, long int);
extern long int telldir(DIR *);
extern int closedir(DIR *);
extern DIR *opendir(const char *);
extern struct dirent *readdir(DIR *);
extern struct dirent64 *readdir64(DIR *);
extern int readdir_r(DIR *, struct dirent *, struct dirent **);

11.3.5. err.h


extern void err(int, const char *, ...);
extern void errx(int, const char *, ...);
extern void warn(const char *, ...);
extern void warnx(const char *, ...);
extern void error(int, int, const char *, ...);

11.3.6. errno.h


#define EDEADLOCK	EDEADLK

extern int *__errno_location(void);

11.3.7. fcntl.h


#define F_GETLK64	5
#define F_SETLK64	6
#define F_SETLKW64	7

extern int lockf64(int, int, off64_t);
extern int fcntl(int, int, ...);

11.3.8. fmtmsg.h


extern int fmtmsg(long int, const char *, int, const char *, const char *,
		  const char *);

11.3.9. fnmatch.h


extern int fnmatch(const char *, const char *, int);

11.3.10. ftw.h


extern int ftw(const char *, __ftw_func_t, int);
extern int ftw64(const char *, __ftw64_func_t, int);
extern int nftw(const char *, __nftw_func_t, int, int);
extern int nftw64(const char *, __nftw64_func_t, int, int);

11.3.11. getopt.h


extern int getopt_long(int, char *const, const char *,
		       const struct option *, int *);
extern int getopt_long_only(int, char *const, const char *,
			    const struct option *, int *);

11.3.12. glob.h


extern int glob(const char *, int,
		int (*__errfunc) (const char *p1, int p2)
		, glob_t *);
extern int glob64(const char *, int,
		  int (*__errfunc) (const char *p1, int p2)
		  , glob64_t *);
extern void globfree(glob_t *);
extern void globfree64(glob64_t *);

11.3.13. grp.h


extern void endgrent(void);
extern struct group *getgrent(void);
extern struct group *getgrgid(gid_t);
extern struct group *getgrnam(char *);
extern int initgroups(const char *, gid_t);
extern void setgrent(void);
extern int setgroups(size_t, const gid_t *);
extern int getgrgid_r(gid_t, struct group *, char *, size_t,
		      struct group **);
extern int getgrnam_r(const char *, struct group *, char *, size_t,
		      struct group **);
extern int getgrouplist(const char *, gid_t, gid_t *, int *);

11.3.14. iconv.h


extern size_t iconv(iconv_t, char **, size_t *, char **, size_t *);
extern int iconv_close(iconv_t);
extern iconv_t iconv_open(char *, char *);

11.3.15. inttypes.h


typedef long int intmax_t;
typedef unsigned long int uintptr_t;
typedef unsigned long int uintmax_t;
typedef unsigned long int uint64_t;

extern intmax_t strtoimax(const char *, char **, int);
extern uintmax_t strtoumax(const char *, char **, int);
extern intmax_t wcstoimax(const wchar_t *, wchar_t * *, int);
extern uintmax_t wcstoumax(const wchar_t *, wchar_t * *, int);
extern intmax_t imaxabs(intmax_t);
extern imaxdiv_t imaxdiv(intmax_t, intmax_t);

11.3.16. langinfo.h


extern char *nl_langinfo(nl_item);

11.3.17. libgen.h


extern char *basename(const char *);
extern char *dirname(char *);

11.3.18. libintl.h


extern char *bindtextdomain(const char *, const char *);
extern char *dcgettext(const char *, const char *, int);
extern char *dgettext(const char *, const char *);
extern char *gettext(const char *);
extern char *textdomain(const char *);
extern char *bind_textdomain_codeset(const char *, const char *);
extern char *dcngettext(const char *, const char *, const char *,
			unsigned long int, int);
extern char *dngettext(const char *, const char *, const char *,
		       unsigned long int);
extern char *ngettext(const char *, const char *, unsigned long int);

11.3.19. limits.h


#define LONG_MAX	0x7FFFFFFFFFFFFFFFL
#define ULONG_MAX	0xFFFFFFFFFFFFFFFFUL

#define CHAR_MAX	127
#define CHAR_MIN	SCHAR_MIN

#define PTHREAD_STACK_MIN	16384

11.3.20. locale.h


extern struct lconv *localeconv(void);
extern char *setlocale(int, const char *);
extern locale_t uselocale(locale_t);
extern void freelocale(locale_t);
extern locale_t duplocale(locale_t);
extern locale_t newlocale(int, const char *, locale_t);

11.3.21. monetary.h


extern ssize_t strfmon(char *, size_t, const char *, ...);

11.3.22. net/if.h


extern void if_freenameindex(struct if_nameindex *);
extern char *if_indextoname(unsigned int, char *);
extern struct if_nameindex *if_nameindex(void);
extern unsigned int if_nametoindex(const char *);

11.3.23. netdb.h


extern void endprotoent(void);
extern void endservent(void);
extern void freeaddrinfo(struct addrinfo *);
extern const char *gai_strerror(int);
extern int getaddrinfo(const char *, const char *, const struct addrinfo *,
		       struct addrinfo **);
extern struct hostent *gethostbyaddr(const void *, socklen_t, int);
extern struct hostent *gethostbyname(const char *);
extern struct protoent *getprotobyname(const char *);
extern struct protoent *getprotobynumber(int);
extern struct protoent *getprotoent(void);
extern struct servent *getservbyname(const char *, const char *);
extern struct servent *getservbyport(int, const char *);
extern struct servent *getservent(void);
extern void setprotoent(int);
extern void setservent(int);
extern int *__h_errno_location(void);

11.3.24. netinet/in.h


extern int bindresvport(int, struct sockaddr_in *);

11.3.25. netinet/ip.h


/*
 * This header is architecture neutral
 * Please refer to the generic specification for details
 */

11.3.26. netinet/tcp.h


/*
 * This header is architecture neutral
 * Please refer to the generic specification for details
 */

11.3.27. netinet/udp.h


/*
 * This header is architecture neutral
 * Please refer to the generic specification for details
 */

11.3.28. nl_types.h


extern int catclose(nl_catd);
extern char *catgets(nl_catd, int, int, const char *);
extern nl_catd catopen(const char *, int);

11.3.29. poll.h


extern int poll(struct pollfd *, nfds_t, int);

11.3.30. pty.h


extern int openpty(int *, int *, char *, struct termios *,
		   struct winsize *);
extern int forkpty(int *, char *, struct termios *, struct winsize *);

11.3.31. pwd.h


extern void endpwent(void);
extern struct passwd *getpwent(void);
extern struct passwd *getpwnam(char *);
extern struct passwd *getpwuid(uid_t);
extern void setpwent(void);
extern int getpwnam_r(char *, struct passwd *, char *, size_t,
		      struct passwd **);
extern int getpwuid_r(uid_t, struct passwd *, char *, size_t,
		      struct passwd **);

11.3.32. regex.h


extern int regcomp(regex_t *, const char *, int);
extern size_t regerror(int, const regex_t *, char *, size_t);
extern int regexec(const regex_t *, const char *, size_t, regmatch_t, int);
extern void regfree(regex_t *);

11.3.33. rpc/auth.h


extern struct AUTH *authnone_create(void);
extern int key_decryptsession(char *, union des_block *);
extern bool_t xdr_opaque_auth(XDR *, struct opaque_auth *);

11.3.34. rpc/clnt.h


extern struct CLIENT *clnt_create(const char *, const u_long, const u_long,
				  const char *);
extern void clnt_pcreateerror(const char *);
extern void clnt_perrno(enum clnt_stat);
extern void clnt_perror(struct CLIENT *, const char *);
extern char *clnt_spcreateerror(const char *);
extern char *clnt_sperrno(enum clnt_stat);
extern char *clnt_sperror(struct CLIENT *, const char *);

11.3.35. rpc/pmap_clnt.h


extern u_short pmap_getport(struct sockaddr_in *, const u_long,
			    const u_long, u_int);
extern bool_t pmap_set(const u_long, const u_long, int, u_short);
extern bool_t pmap_unset(u_long, u_long);

11.3.36. rpc/rpc_msg.h


extern bool_t xdr_callhdr(XDR *, struct rpc_msg *);

11.3.37. rpc/svc.h


extern void svc_getreqset(fd_set *);
extern bool_t svc_register(SVCXPRT *, rpcprog_t, rpcvers_t,
			   __dispatch_fn_t, rpcprot_t);
extern void svc_run(void);
extern bool_t svc_sendreply(SVCXPRT *, xdrproc_t, caddr_t);
extern void svcerr_auth(SVCXPRT *, enum auth_stat);
extern void svcerr_decode(SVCXPRT *);
extern void svcerr_noproc(SVCXPRT *);
extern void svcerr_noprog(SVCXPRT *);
extern void svcerr_progvers(SVCXPRT *, rpcvers_t, rpcvers_t);
extern void svcerr_systemerr(SVCXPRT *);
extern void svcerr_weakauth(SVCXPRT *);
extern SVCXPRT *svctcp_create(int, u_int, u_int);
extern SVCXPRT *svcudp_create(int);

11.3.38. rpc/types.h


/*
 * This header is architecture neutral
 * Please refer to the generic specification for details
 */

11.3.39. rpc/xdr.h


extern bool_t xdr_array(XDR *, caddr_t *, u_int *, u_int, u_int,
			xdrproc_t);
extern bool_t xdr_bool(XDR *, bool_t *);
extern bool_t xdr_bytes(XDR *, char **, u_int *, u_int);
extern bool_t xdr_char(XDR *, char *);
extern bool_t xdr_double(XDR *, double *);
extern bool_t xdr_enum(XDR *, enum_t *);
extern bool_t xdr_float(XDR *, float *);
extern void xdr_free(xdrproc_t, char *);
extern bool_t xdr_int(XDR *, int *);
extern bool_t xdr_long(XDR *, long int *);
extern bool_t xdr_opaque(XDR *, caddr_t, u_int);
extern bool_t xdr_pointer(XDR *, char **, u_int, xdrproc_t);
extern bool_t xdr_reference(XDR *, caddr_t *, u_int, xdrproc_t);
extern bool_t xdr_short(XDR *, short *);
extern bool_t xdr_string(XDR *, char **, u_int);
extern bool_t xdr_u_char(XDR *, u_char *);
extern bool_t xdr_u_int(XDR *, u_int *);
extern bool_t xdr_u_long(XDR *, u_long *);
extern bool_t xdr_u_short(XDR *, u_short *);
extern bool_t xdr_union(XDR *, enum_t *, char *,
			const struct xdr_discrim *, xdrproc_t);
extern bool_t xdr_vector(XDR *, char *, u_int, u_int, xdrproc_t);
extern bool_t xdr_void(void);
extern bool_t xdr_wrapstring(XDR *, char **);
extern void xdrmem_create(XDR *, caddr_t, u_int, enum xdr_op);
extern void xdrrec_create(XDR *, u_int, u_int, caddr_t,
			  int (*__readit) (char *p1, char *p2, int p3)
			  , int (*__writeit) (char *p1, char *p2, int p3)
    );
extern typedef int bool_t xdrrec_eof(XDR *);

11.3.40. sched.h


extern int sched_get_priority_max(int);
extern int sched_get_priority_min(int);
extern int sched_getparam(pid_t, struct sched_param *);
extern int sched_getscheduler(pid_t);
extern int sched_rr_get_interval(pid_t, struct timespec *);
extern int sched_setparam(pid_t, const struct sched_param *);
extern int sched_setscheduler(pid_t, int, const struct sched_param *);
extern int sched_yield(void);

11.3.41. search.h


extern int hcreate(size_t);
extern ENTRY *hsearch(ENTRY, ACTION);
extern void insque(void *, void *);
extern void *lfind(const void *, const void *, size_t *, size_t,
		   __compar_fn_t);
extern void *lsearch(const void *, void *, size_t *, size_t,
		     __compar_fn_t);
extern void remque(void *);
extern void hdestroy(void);
extern void *tdelete(const void *, void **, __compar_fn_t);
extern void *tfind(const void *, void *const *, __compar_fn_t);
extern void *tsearch(const void *, void **, __compar_fn_t);
extern void twalk(const void *, __action_fn_t);

11.3.42. setjmp.h


typedef long int __jmp_buf[8];

extern int __sigsetjmp(jmp_buf, int);
extern void longjmp(jmp_buf, int);
extern void siglongjmp(sigjmp_buf, int);
extern void _longjmp(jmp_buf, int);
extern int _setjmp(jmp_buf);

11.3.43. signal.h


#define SIGEV_PAD_SIZE	((SIGEV_MAX_SIZE/sizeof(int))-4)

#define SI_PAD_SIZE	((SI_MAX_SIZE/sizeof(int))-4)

struct sigaction {
    union {
	sighandler_t _sa_handler;
	void (*_sa_sigaction) (int, siginfo_t *, void *);
    } __sigaction_handler;
    sigset_t sa_mask;
    int sa_flags;
    void (*sa_restorer) (void);
};

#define MINSIGSTKSZ	2048
#define SIGSTKSZ	8192

struct _fpxreg {
    unsigned short significand[4];
    unsigned short exponent;
    unsigned short padding[3];
};
struct _xmmreg {
    uint32_t element[4];
};

struct _fpstate {
    uint16_t cwd;
    uint16_t swd;
    uint16_t ftw;
    uint16_t fop;
    uint64_t rip;
    uint64_t rdp;
    uint32_t mxcsr;
    uint32_t mxcr_mask;
    struct _fpxreg _st[8];
    struct _xmmreg _xmm[16];
    uint32_t padding[24];
};

struct sigcontext {
    unsigned long int r8;
    unsigned long int r9;
    unsigned long int r10;
    unsigned long int r11;
    unsigned long int r12;
    unsigned long int r13;
    unsigned long int r14;
    unsigned long int r15;
    unsigned long int rdi;
    unsigned long int rsi;
    unsigned long int rbp;
    unsigned long int rbx;
    unsigned long int rdx;
    unsigned long int rax;
    unsigned long int rcx;
    unsigned long int rsp;
    unsigned long int rip;
    unsigned long int eflags;
    unsigned short cs;
    unsigned short gs;
    unsigned short fs;
    unsigned short __pad0;
    unsigned long int err;
    unsigned long int trapno;
    unsigned long int oldmask;
    unsigned long int cr2;
    struct _fpstate *fpstate;
    unsigned long int __reserved1[8];
};
extern int __libc_current_sigrtmax(void);
extern int __libc_current_sigrtmin(void);
extern sighandler_t __sysv_signal(int, sighandler_t);
extern char *const _sys_siglist(void);
extern int killpg(pid_t, int);
extern void psignal(int, const char *);
extern int raise(int);
extern int sigaddset(sigset_t *, int);
extern int sigandset(sigset_t *, const sigset_t *, const sigset_t *);
extern int sigdelset(sigset_t *, int);
extern int sigemptyset(sigset_t *);
extern int sigfillset(sigset_t *);
extern int sighold(int);
extern int sigignore(int);
extern int siginterrupt(int, int);
extern int sigisemptyset(const sigset_t *);
extern int sigismember(const sigset_t *, int);
extern int sigorset(sigset_t *, const sigset_t *, const sigset_t *);
extern int sigpending(sigset_t *);
extern int sigrelse(int);
extern sighandler_t sigset(int, sighandler_t);
extern int pthread_kill(pthread_t, int);
extern int pthread_sigmask(int, sigset_t *, sigset_t *);
extern int sigaction(int, const struct sigaction *, struct sigaction *);
extern int sigwait(sigset_t *, int *);
extern int kill(pid_t, int);
extern int sigaltstack(const struct sigaltstack *, struct sigaltstack *);
extern sighandler_t signal(int, sighandler_t);
extern int sigpause(int);
extern int sigprocmask(int, const sigset_t *, sigset_t *);
extern int sigreturn(struct sigcontext *);
extern int sigsuspend(const sigset_t *);
extern int sigqueue(pid_t, int, const union sigval);
extern int sigwaitinfo(const sigset_t *, siginfo_t *);
extern int sigtimedwait(const sigset_t *, siginfo_t *,
			const struct timespec *);
extern sighandler_t bsd_signal(int, sighandler_t);

11.3.44. stddef.h


typedef long int ptrdiff_t;
typedef unsigned long int size_t;

11.3.45. stdio.h


#define __IO_FILE_SIZE	216

extern char *const _sys_errlist(void);
extern void clearerr(FILE *);
extern int fclose(FILE *);
extern FILE *fdopen(int, const char *);
extern int fflush_unlocked(FILE *);
extern int fileno(FILE *);
extern FILE *fopen(const char *, const char *);
extern int fprintf(FILE *, const char *, ...);
extern int fputc(int, FILE *);
extern FILE *freopen(const char *, const char *, FILE *);
extern FILE *freopen64(const char *, const char *, FILE *);
extern int fscanf(FILE *, const char *, ...);
extern int fseek(FILE *, long int, int);
extern int fseeko(FILE *, off_t, int);
extern int fseeko64(FILE *, loff_t, int);
extern off_t ftello(FILE *);
extern loff_t ftello64(FILE *);
extern int getchar(void);
extern int getchar_unlocked(void);
extern int getw(FILE *);
extern int pclose(FILE *);
extern void perror(const char *);
extern FILE *popen(const char *, const char *);
extern int printf(const char *, ...);
extern int putc_unlocked(int, FILE *);
extern int putchar(int);
extern int putchar_unlocked(int);
extern int putw(int, FILE *);
extern int remove(const char *);
extern void rewind(FILE *);
extern int scanf(const char *, ...);
extern void setbuf(FILE *, char *);
extern int sprintf(char *, const char *, ...);
extern int sscanf(const char *, const char *, ...);
extern FILE *stderr(void);
extern FILE *stdin(void);
extern FILE *stdout(void);
extern char *tempnam(const char *, const char *);
extern FILE *tmpfile64(void);
extern FILE *tmpfile(void);
extern char *tmpnam(char *);
extern int vfprintf(FILE *, const char *, va_list);
extern int vprintf(const char *, va_list);
extern int feof(FILE *);
extern int ferror(FILE *);
extern int fflush(FILE *);
extern int fgetc(FILE *);
extern int fgetpos(FILE *, fpos_t *);
extern char *fgets(char *, int, FILE *);
extern int fputs(const char *, FILE *);
extern size_t fread(void *, size_t, size_t, FILE *);
extern int fsetpos(FILE *, const fpos_t *);
extern long int ftell(FILE *);
extern size_t fwrite(const void *, size_t, size_t, FILE *);
extern int getc(FILE *);
extern int putc(int, FILE *);
extern int puts(const char *);
extern int setvbuf(FILE *, char *, int, size_t);
extern int snprintf(char *, size_t, const char *, ...);
extern int ungetc(int, FILE *);
extern int vsnprintf(char *, size_t, const char *, va_list);
extern int vsprintf(char *, const char *, va_list);
extern void flockfile(FILE *);
extern int asprintf(char **, const char *, ...);
extern int fgetpos64(FILE *, fpos64_t *);
extern FILE *fopen64(const char *, const char *);
extern int fsetpos64(FILE *, const fpos64_t *);
extern int ftrylockfile(FILE *);
extern void funlockfile(FILE *);
extern int getc_unlocked(FILE *);
extern void setbuffer(FILE *, char *, size_t);
extern int vasprintf(char **, const char *, va_list);
extern int vdprintf(int, const char *, va_list);
extern int vfscanf(FILE *, const char *, va_list);
extern int vscanf(const char *, va_list);
extern int vsscanf(const char *, const char *, va_list);
extern size_t __fpending(FILE *);

11.3.46. stdlib.h


extern double __strtod_internal(const char *, char **, int);
extern float __strtof_internal(const char *, char **, int);
extern long int __strtol_internal(const char *, char **, int, int);
extern long double __strtold_internal(const char *, char **, int);
extern long long int __strtoll_internal(const char *, char **, int, int);
extern unsigned long int __strtoul_internal(const char *, char **, int,
					    int);
extern unsigned long long int __strtoull_internal(const char *, char **,
						  int, int);
extern long int a64l(const char *);
extern void abort(void);
extern int abs(int);
extern double atof(const char *);
extern int atoi(char *);
extern long int atol(char *);
extern long long int atoll(const char *);
extern void *bsearch(const void *, const void *, size_t, size_t,
		     __compar_fn_t);
extern div_t div(int, int);
extern double drand48(void);
extern char *ecvt(double, int, int *, int *);
extern double erand48(unsigned short);
extern void exit(int);
extern char *fcvt(double, int, int *, int *);
extern char *gcvt(double, int, char *);
extern char *getenv(const char *);
extern int getsubopt(char **, char *const *, char **);
extern int grantpt(int);
extern long int jrand48(unsigned short);
extern char *l64a(long int);
extern long int labs(long int);
extern void lcong48(unsigned short);
extern ldiv_t ldiv(long int, long int);
extern long long int llabs(long long int);
extern lldiv_t lldiv(long long int, long long int);
extern long int lrand48(void);
extern int mblen(const char *, size_t);
extern size_t mbstowcs(wchar_t *, const char *, size_t);
extern int mbtowc(wchar_t *, const char *, size_t);
extern char *mktemp(char *);
extern long int mrand48(void);
extern long int nrand48(unsigned short);
extern char *ptsname(int);
extern int putenv(char *);
extern void qsort(void *, size_t, size_t, __compar_fn_t);
extern int rand(void);
extern int rand_r(unsigned int *);
extern unsigned short *seed48(unsigned short);
extern void srand48(long int);
extern int unlockpt(int);
extern size_t wcstombs(char *, const wchar_t *, size_t);
extern int wctomb(char *, wchar_t);
extern int system(const char *);
extern void *calloc(size_t, size_t);
extern void free(void *);
extern char *initstate(unsigned int, char *, size_t);
extern void *malloc(size_t);
extern long int random(void);
extern void *realloc(void *, size_t);
extern char *setstate(char *);
extern void srand(unsigned int);
extern void srandom(unsigned int);
extern double strtod(char *, char **);
extern float strtof(const char *, char **);
extern long int strtol(char *, char **, int);
extern long double strtold(const char *, char **);
extern long long int strtoll(const char *, char **, int);
extern long long int strtoq(const char *, char **, int);
extern unsigned long int strtoul(const char *, char **, int);
extern unsigned long long int strtoull(const char *, char **, int);
extern unsigned long long int strtouq(const char *, char **, int);
extern void _Exit(int);
extern size_t __ctype_get_mb_cur_max(void);
extern char **environ(void);
extern char *realpath(const char *, char *);
extern int setenv(const char *, const char *, int);
extern int unsetenv(const char *);
extern int getloadavg(double, int);
extern int mkstemp64(char *);
extern int posix_memalign(void **, size_t, size_t);
extern int posix_openpt(int);

11.3.47. string.h


extern void *__mempcpy(void *, const void *, size_t);
extern char *__stpcpy(char *, const char *);
extern char *__strtok_r(char *, const char *, char **);
extern void bcopy(void *, void *, size_t);
extern void *memchr(void *, int, size_t);
extern int memcmp(void *, void *, size_t);
extern void *memcpy(void *, void *, size_t);
extern void *memmem(const void *, size_t, const void *, size_t);
extern void *memmove(void *, const void *, size_t);
extern void *memset(void *, int, size_t);
extern char *strcat(char *, const char *);
extern char *strchr(char *, int);
extern int strcmp(char *, char *);
extern int strcoll(const char *, const char *);
extern char *strcpy(char *, char *);
extern size_t strcspn(const char *, const char *);
extern char *strerror(int);
extern size_t strlen(char *);
extern char *strncat(char *, char *, size_t);
extern int strncmp(char *, char *, size_t);
extern char *strncpy(char *, char *, size_t);
extern char *strpbrk(const char *, const char *);
extern char *strrchr(char *, int);
extern char *strsignal(int);
extern size_t strspn(const char *, const char *);
extern char *strstr(char *, char *);
extern char *strtok(char *, const char *);
extern size_t strxfrm(char *, const char *, size_t);
extern int bcmp(void *, void *, size_t);
extern void bzero(void *, size_t);
extern int ffs(int);
extern char *index(char *, int);
extern void *memccpy(void *, const void *, int, size_t);
extern char *rindex(char *, int);
extern int strcasecmp(char *, char *);
extern char *strdup(char *);
extern int strncasecmp(char *, char *, size_t);
extern char *strndup(const char *, size_t);
extern size_t strnlen(const char *, size_t);
extern char *strsep(char **, const char *);
extern char *strerror_r(int, char *, size_t);
extern char *strtok_r(char *, const char *, char **);
extern char *strcasestr(const char *, const char *);
extern char *stpcpy(char *, const char *);
extern char *stpncpy(char *, const char *, size_t);
extern void *memrchr(const void *, int, size_t);

11.3.48. sys/file.h


extern int flock(int, int);

11.3.49. sys/ioctl.h


#define TIOCGWINSZ	0x5413
#define FIONREAD	0x541B
#define TIOCNOTTY	21538

extern int ioctl(int, unsigned long int, ...);

11.3.50. sys/ipc.h


struct ipc_perm {
    key_t __key;
    uid_t uid;
    gid_t gid;
    uid_t cuid;
    uid_t cgid;
    unsigned short mode;
    unsigned short __pad1;
    unsigned short __seq;
    unsigned short __pad2;
    unsigned long int __unused1;
    unsigned long int __unused2;
};

extern key_t ftok(char *, int);

11.3.51. sys/mman.h


#define MCL_CURRENT	1
#define MCL_FUTURE	2

extern int msync(void *, size_t, int);
extern int mlock(const void *, size_t);
extern int mlockall(int);
extern void *mmap(void *, size_t, int, int, int, off_t);
extern int mprotect(void *, size_t, int);
extern int munlock(const void *, size_t);
extern int munlockall(void);
extern int munmap(void *, size_t);
extern void *mmap64(void *, size_t, int, int, int, off64_t);
extern int shm_open(const char *, int, mode_t);
extern int shm_unlink(const char *);

11.3.52. sys/msg.h


typedef unsigned long int msgqnum_t;
typedef unsigned long int msglen_t;

struct msqid_ds {
    struct ipc_perm msg_perm;
    time_t msg_stime;
    time_t msg_rtime;
    time_t msg_ctime;
    unsigned long int __msg_cbytes;
    msgqnum_t msg_qnum;
    msglen_t msg_qbytes;
    pid_t msg_lspid;
    pid_t msg_lrpid;
    unsigned long int __unused4;
    unsigned long int __unused5;
};
extern int msgctl(int, int, struct msqid_ds *);
extern int msgget(key_t, int);
extern int msgrcv(int, void *, size_t, long int, int);
extern int msgsnd(int, const void *, size_t, int);

11.3.53. sys/param.h


/*
 * This header is architecture neutral
 * Please refer to the generic specification for details
 */

11.3.54. sys/poll.h


/*
 * This header is architecture neutral
 * Please refer to the generic specification for details
 */

11.3.55. sys/resource.h


extern int getpriority(__priority_which_t, id_t);
extern int getrlimit64(id_t, struct rlimit64 *);
extern int setpriority(__priority_which_t, id_t, int);
extern int setrlimit(__rlimit_resource_t, const struct rlimit *);
extern int setrlimit64(__rlimit_resource_t, const struct rlimit64 *);
extern int getrlimit(__rlimit_resource_t, struct rlimit *);
extern int getrusage(int, struct rusage *);

11.3.56. sys/sem.h


struct semid_ds {
    struct ipc_perm sem_perm;
    time_t sem_otime;
    unsigned long int __unused1;
    time_t sem_ctime;
    unsigned long int __unused2;
    unsigned long int sem_nsems;
    unsigned long int __unused3;
    unsigned long int __unused4;
};
extern int semctl(int, int, int, ...);
extern int semget(key_t, int, int);
extern int semop(int, struct sembuf *, size_t);

11.3.57. sys/shm.h


#define SHMLBA	(__getpagesize())

typedef unsigned long int shmatt_t;

struct shmid_ds {
    struct ipc_perm shm_perm;
    size_t shm_segsz;
    time_t shm_atime;
    time_t shm_dtime;
    time_t shm_ctime;
    pid_t shm_cpid;
    pid_t shm_lpid;
    shmatt_t shm_nattch;
    unsigned long int __unused4;
    unsigned long int __unused5;
};
extern int __getpagesize(void);
extern void *shmat(int, const void *, int);
extern int shmctl(int, int, struct shmid_ds *);
extern int shmdt(const void *);
extern int shmget(key_t, size_t, int);

11.3.58. sys/socket.h


typedef uint64_t __ss_aligntype;

#define SO_RCVLOWAT	18
#define SO_SNDLOWAT	19
#define SO_RCVTIMEO	20
#define SO_SNDTIMEO	21

extern int bind(int, const struct sockaddr *, socklen_t);
extern int getnameinfo(const struct sockaddr *, socklen_t, char *,
		       socklen_t, char *, socklen_t, unsigned int);
extern int getsockname(int, struct sockaddr *, socklen_t *);
extern int listen(int, int);
extern int setsockopt(int, int, int, const void *, socklen_t);
extern int accept(int, struct sockaddr *, socklen_t *);
extern int connect(int, const struct sockaddr *, socklen_t);
extern ssize_t recv(int, void *, size_t, int);
extern ssize_t recvfrom(int, void *, size_t, int, struct sockaddr *,
			socklen_t *);
extern ssize_t recvmsg(int, struct msghdr *, int);
extern ssize_t send(int, const void *, size_t, int);
extern ssize_t sendmsg(int, const struct msghdr *, int);
extern ssize_t sendto(int, const void *, size_t, int,
		      const struct sockaddr *, socklen_t);
extern int getpeername(int, struct sockaddr *, socklen_t *);
extern int getsockopt(int, int, int, void *, socklen_t *);
extern int shutdown(int, int);
extern int socket(int, int, int);
extern int socketpair(int, int, int, int);
extern int sockatmark(int);

11.3.59. sys/stat.h


#define _STAT_VER	1

struct stat {
    dev_t st_dev;
    ino_t st_ino;
    nlink_t st_nlink;
    mode_t st_mode;
    uid_t st_uid;
    gid_t st_gid;
    int pad0;
    dev_t st_rdev;
    off_t st_size;
    blksize_t st_blksize;
    blkcnt_t st_blocks;
    struct timespec st_atim;
    struct timespec st_mtim;
    struct timespec st_ctim;
    unsigned long int __unused[3];
};
struct stat64 {
    dev_t st_dev;
    ino64_t st_ino;
    nlink_t st_nlink;
    mode_t st_mode;
    uid_t st_uid;
    gid_t st_gid;
    int pad0;
    dev_t st_rdev;
    off_t st_size;
    blksize_t st_blksize;
    blkcnt64_t st_blocks;
    struct timespec st_atim;
    struct timespec st_mtim;
    struct timespec st_ctim;
    unsigned long int __unused[3];
};

extern int __fxstat(int, int, struct stat *);
extern int __fxstat64(int, int, struct stat64 *);
extern int __lxstat(int, char *, struct stat *);
extern int __lxstat64(int, const char *, struct stat64 *);
extern int __xmknod(int, const char *, mode_t, dev_t *);
extern int __xstat(int, const char *, struct stat *);
extern int __xstat64(int, const char *, struct stat64 *);
extern int mkfifo(const char *, mode_t);
extern int chmod(const char *, mode_t);
extern int fchmod(int, mode_t);
extern mode_t umask(mode_t);

11.3.60. sys/statvfs.h


struct statvfs64 {
    unsigned long int f_bsize;
    unsigned long int f_frsize;
    fsblkcnt64_t f_blocks;
    fsblkcnt64_t f_bfree;
    fsblkcnt64_t f_bavail;
    fsfilcnt64_t f_files;
    fsfilcnt64_t f_ffree;
    fsfilcnt64_t f_favail;
    unsigned long int f_fsid;
    unsigned long int f_flag;
    unsigned long int f_namemax;
    int __f_spare[6];
};
struct statvfs {
    unsigned long int f_bsize;
    unsigned long int f_frsize;
    fsblkcnt_t f_blocks;
    fsblkcnt_t f_bfree;
    fsblkcnt_t f_bavail;
    fsfilcnt_t f_files;
    fsfilcnt_t f_ffree;
    fsfilcnt_t f_favail;
    unsigned long int f_fsid;
    unsigned long int f_flag;
    unsigned long int f_namemax;
    int __f_spare[6];
};
extern int fstatvfs(int, struct statvfs *);
extern int fstatvfs64(int, struct statvfs64 *);
extern int statvfs(const char *, struct statvfs *);
extern int statvfs64(const char *, struct statvfs64 *);

11.3.61. sys/time.h


extern int getitimer(__itimer_which_t, struct itimerval *);
extern int setitimer(__itimer_which_t, const struct itimerval *,
		     struct itimerval *);
extern int adjtime(const struct timeval *, struct timeval *);
extern int gettimeofday(struct timeval *, struct timezone *);
extern int utimes(const char *, const struct timeval *);

11.3.62. sys/timeb.h


extern int ftime(struct timeb *);

11.3.63. sys/times.h


extern clock_t times(struct tms *);

11.3.64. sys/types.h


typedef long int int64_t;

typedef int64_t ssize_t;

#define __FDSET_LONGS	16

11.3.65. sys/uio.h


extern ssize_t readv(int, const struct iovec *, int);
extern ssize_t writev(int, const struct iovec *, int);

11.3.66. sys/un.h


/*
 * This header is architecture neutral
 * Please refer to the generic specification for details
 */

11.3.67. sys/utsname.h


extern int uname(struct utsname *);

11.3.68. sys/wait.h


extern pid_t wait(int *);
extern pid_t waitpid(pid_t, int *, int);
extern pid_t wait4(pid_t, int *, int, struct rusage *);

11.3.69. syslog.h


extern void closelog(void);
extern void openlog(const char *, int, int);
extern int setlogmask(int);
extern void syslog(int, const char *, ...);
extern void vsyslog(int, const char *, va_list);

11.3.70. termios.h


#define OLCUC	0000002
#define ONLCR	0000004
#define XCASE	0000004
#define NLDLY	0000400
#define CR1	0001000
#define IUCLC	0001000
#define CR2	0002000
#define CR3	0003000
#define CRDLY	0003000
#define TAB1	0004000
#define TAB2	0010000
#define TAB3	0014000
#define TABDLY	0014000
#define BS1	0020000
#define BSDLY	0020000
#define VT1	0040000
#define VTDLY	0040000
#define FF1	0100000
#define FFDLY	0100000

#define VSUSP	10
#define VEOL	11
#define VREPRINT	12
#define VDISCARD	13
#define VWERASE	14
#define VEOL2	16
#define VMIN	6
#define VSWTC	7
#define VSTART	8
#define VSTOP	9

#define IXON	0002000
#define IXOFF	0010000

#define CS6	0000020
#define CS7	0000040
#define CS8	0000060
#define CSIZE	0000060
#define CSTOPB	0000100
#define CREAD	0000200
#define PARENB	0000400
#define PARODD	0001000
#define HUPCL	0002000
#define CLOCAL	0004000
#define VTIME	5

#define ISIG	0000001
#define ICANON	0000002
#define ECHOE	0000020
#define ECHOK	0000040
#define ECHONL	0000100
#define NOFLSH	0000200
#define TOSTOP	0000400
#define ECHOCTL	0001000
#define ECHOPRT	0002000
#define ECHOKE	0004000
#define FLUSHO	0010000
#define PENDIN	0040000
#define IEXTEN	0100000

extern speed_t cfgetispeed(const struct termios *);
extern speed_t cfgetospeed(const struct termios *);
extern void cfmakeraw(struct termios *);
extern int cfsetispeed(struct termios *, speed_t);
extern int cfsetospeed(struct termios *, speed_t);
extern int cfsetspeed(struct termios *, speed_t);
extern int tcflow(int, int);
extern int tcflush(int, int);
extern pid_t tcgetsid(int);
extern int tcsendbreak(int, int);
extern int tcsetattr(int, int, const struct termios *);
extern int tcdrain(int);
extern int tcgetattr(int, struct termios *);

11.3.71. time.h


extern int __daylight(void);
extern long int __timezone(void);
extern char *__tzname(void);
extern char *asctime(const struct tm *);
extern clock_t clock(void);
extern char *ctime(const time_t *);
extern char *ctime_r(const time_t *, char *);
extern double difftime(time_t, time_t);
extern struct tm *getdate(const char *);
extern int getdate_err(void);
extern struct tm *gmtime(const time_t *);
extern struct tm *localtime(const time_t *);
extern time_t mktime(struct tm *);
extern int stime(const time_t *);
extern size_t strftime(char *, size_t, const char *, const struct tm *);
extern char *strptime(const char *, const char *, struct tm *);
extern time_t time(time_t *);
extern int nanosleep(const struct timespec *, struct timespec *);
extern int daylight(void);
extern long int timezone(void);
extern char *tzname(void);
extern void tzset(void);
extern char *asctime_r(const struct tm *, char *);
extern struct tm *gmtime_r(const time_t *, struct tm *);
extern struct tm *localtime_r(const time_t *, struct tm *);
extern int clock_getcpuclockid(pid_t, clockid_t *);
extern int clock_getres(clockid_t, struct timespec *);
extern int clock_gettime(clockid_t, struct timespec *);
extern int clock_nanosleep(clockid_t, int, const struct timespec *,
			   struct timespec *);
extern int clock_settime(clockid_t, const struct timespec *);
extern int timer_create(clockid_t, struct sigevent *, timer_t *);
extern int timer_delete(timer_t);
extern int timer_getoverrun(timer_t);
extern int timer_gettime(timer_t, struct itimerspec *);
extern int timer_settime(timer_t, int, const struct itimerspec *,
			 struct itimerspec *);

11.3.72. ucontext.h


struct _libc_fpxreg {
    unsigned short significand[4];
    unsigned short exponent;
    unsigned short padding[3];
};

typedef long int greg_t;

#define NGREG	23

typedef greg_t gregset_t[23];

struct _libc_xmmreg {
    uint32_t element[4];
};
struct _libc_fpstate {
    uint16_t cwd;
    uint16_t swd;
    uint16_t ftw;
    uint16_t fop;
    uint64_t rip;
    uint64_t rdp;
    uint32_t mxcsr;
    uint32_t mxcr_mask;
    struct _libc_fpxreg _st[8];
    struct _libc_xmmreg _xmm[16];
    uint32_t padding[24];
};
typedef struct _libc_fpstate *fpregset_t;

typedef struct {
    gregset_t gregs;
    fpregset_t fpregs;
    unsigned long int __reserved1[8];
} mcontext_t;

typedef struct ucontext {
    unsigned long int uc_flags;
    struct ucontext *uc_link;
    stack_t uc_stack;
    mcontext_t uc_mcontext;
    sigset_t uc_sigmask;
    struct _libc_fpstate __fpregs_mem;
} ucontext_t;
extern int getcontext(ucontext_t *);
extern int makecontext(ucontext_t *, void (*func) (void)
		       , int, ...);
extern int setcontext(const struct ucontext *);
extern int swapcontext(ucontext_t *, const struct ucontext *);

11.3.73. ulimit.h


extern long int ulimit(int, ...);

11.3.74. unistd.h


typedef long int intptr_t;

extern char **__environ(void);
extern pid_t __getpgid(pid_t);
extern void _exit(int);
extern int acct(const char *);
extern unsigned int alarm(unsigned int);
extern int chown(const char *, uid_t, gid_t);
extern int chroot(const char *);
extern size_t confstr(int, char *, size_t);
extern int creat(const char *, mode_t);
extern int creat64(const char *, mode_t);
extern char *ctermid(char *);
extern char *cuserid(char *);
extern int daemon(int, int);
extern int execl(const char *, const char *, ...);
extern int execle(const char *, const char *, ...);
extern int execlp(const char *, const char *, ...);
extern int execv(const char *, char *const);
extern int execvp(const char *, char *const);
extern int fdatasync(int);
extern int ftruncate64(int, off64_t);
extern long int gethostid(void);
extern char *getlogin(void);
extern int getlogin_r(char *, size_t);
extern int getopt(int, char *const, const char *);
extern pid_t getpgrp(void);
extern pid_t getsid(pid_t);
extern char *getwd(char *);
extern int lockf(int, int, off_t);
extern int mkstemp(char *);
extern int nice(int);
extern char *optarg(void);
extern int opterr(void);
extern int optind(void);
extern int optopt(void);
extern int rename(const char *, const char *);
extern int setegid(gid_t);
extern int seteuid(uid_t);
extern int sethostname(const char *, size_t);
extern int setpgrp(void);
extern void swab(const void *, void *, ssize_t);
extern void sync(void);
extern pid_t tcgetpgrp(int);
extern int tcsetpgrp(int, pid_t);
extern int truncate(const char *, off_t);
extern int truncate64(const char *, off64_t);
extern char *ttyname(int);
extern unsigned int ualarm(useconds_t, useconds_t);
extern int usleep(useconds_t);
extern int close(int);
extern int fsync(int);
extern off_t lseek(int, off_t, int);
extern int open(const char *, int, ...);
extern int pause(void);
extern ssize_t read(int, void *, size_t);
extern ssize_t write(int, const void *, size_t);
extern char *crypt(char *, char *);
extern void encrypt(char *, int);
extern void setkey(const char *);
extern int access(const char *, int);
extern int brk(void *);
extern int chdir(const char *);
extern int dup(int);
extern int dup2(int, int);
extern int execve(const char *, char *const, char *const);
extern int fchdir(int);
extern int fchown(int, uid_t, gid_t);
extern pid_t fork(void);
extern gid_t getegid(void);
extern uid_t geteuid(void);
extern gid_t getgid(void);
extern int getgroups(int, gid_t);
extern int gethostname(char *, size_t);
extern pid_t getpgid(pid_t);
extern pid_t getpid(void);
extern uid_t getuid(void);
extern int lchown(const char *, uid_t, gid_t);
extern int link(const char *, const char *);
extern int mkdir(const char *, mode_t);
extern long int pathconf(const char *, int);
extern int pipe(int);
extern int readlink(const char *, char *, size_t);
extern int rmdir(const char *);
extern void *sbrk(ptrdiff_t);
extern int select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
extern int setgid(gid_t);
extern int setpgid(pid_t, pid_t);
extern int setregid(gid_t, gid_t);
extern int setreuid(uid_t, uid_t);
extern pid_t setsid(void);
extern int setuid(uid_t);
extern unsigned int sleep(unsigned int);
extern int symlink(const char *, const char *);
extern long int sysconf(int);
extern int unlink(const char *);
extern pid_t vfork(void);
extern ssize_t pread(int, void *, size_t, off_t);
extern ssize_t pwrite(int, const void *, size_t, off_t);
extern char **_environ(void);
extern long int fpathconf(int, int);
extern int ftruncate(int, off_t);
extern char *getcwd(char *, size_t);
extern int getpagesize(void);
extern pid_t getppid(void);
extern int isatty(int);
extern loff_t lseek64(int, loff_t, int);
extern int open64(const char *, int, ...);
extern ssize_t pread64(int, void *, size_t, off64_t);
extern ssize_t pwrite64(int, const void *, size_t, off64_t);
extern int ttyname_r(int, char *, size_t);

11.3.75. utime.h


extern int utime(const char *, const struct utimbuf *);

11.3.76. utmp.h


struct lastlog {
    int32_t ll_time;
    char ll_line[UT_LINESIZE];
    char ll_host[UT_HOSTSIZE];
};

struct utmp {
    short ut_type;
    pid_t ut_pid;
    char ut_line[UT_LINESIZE];
    char ut_id[4];
    char ut_user[UT_NAMESIZE];
    char ut_host[UT_HOSTSIZE];
    struct exit_status ut_exit;
    int ut_session;
    struct {
	int32_t tv_sec;
	int32_t tv_usec;
    } ut_tv;
    int32_t ut_addr_v6[4];
    char __unused[20];
};

extern void endutent(void);
extern struct utmp *getutent(void);
extern void setutent(void);
extern int getutent_r(struct utmp *, struct utmp **);
extern int utmpname(const char *);
extern int login_tty(int);
extern void login(const struct utmp *);
extern int logout(const char *);
extern void logwtmp(const char *, const char *, const char *);

11.3.77. utmpx.h


struct utmpx {
    short ut_type;
    pid_t ut_pid;
    char ut_line[UT_LINESIZE];
    char ut_id[4];
    char ut_user[UT_NAMESIZE];
    char ut_host[UT_HOSTSIZE];
    struct exit_status ut_exit;
    int32_t ut_session;
    struct {
	int32_t tv_sec;
	int32_t tv_usec;
    } ut_tv;
    int32_t ut_addr_v6[4];
    char __unused[20];
};

extern void endutxent(void);
extern struct utmpx *getutxent(void);
extern struct utmpx *getutxid(const struct utmpx *);
extern struct utmpx *getutxline(const struct utmpx *);
extern struct utmpx *pututxline(const struct utmpx *);
extern void setutxent(void);

11.3.78. wchar.h


extern double __wcstod_internal(const wchar_t *, wchar_t * *, int);
extern float __wcstof_internal(const wchar_t *, wchar_t * *, int);
extern long int __wcstol_internal(const wchar_t *, wchar_t * *, int, int);
extern long double __wcstold_internal(const wchar_t *, wchar_t * *, int);
extern unsigned long int __wcstoul_internal(const wchar_t *, wchar_t * *,
					    int, int);
extern wchar_t *wcscat(wchar_t *, const wchar_t *);
extern wchar_t *wcschr(const wchar_t *, wchar_t);
extern int wcscmp(const wchar_t *, const wchar_t *);
extern int wcscoll(const wchar_t *, const wchar_t *);
extern wchar_t *wcscpy(wchar_t *, const wchar_t *);
extern size_t wcscspn(const wchar_t *, const wchar_t *);
extern wchar_t *wcsdup(const wchar_t *);
extern wchar_t *wcsncat(wchar_t *, const wchar_t *, size_t);
extern int wcsncmp(const wchar_t *, const wchar_t *, size_t);
extern wchar_t *wcsncpy(wchar_t *, const wchar_t *, size_t);
extern wchar_t *wcspbrk(const wchar_t *, const wchar_t *);
extern wchar_t *wcsrchr(const wchar_t *, wchar_t);
extern size_t wcsspn(const wchar_t *, const wchar_t *);
extern wchar_t *wcsstr(const wchar_t *, const wchar_t *);
extern wchar_t *wcstok(wchar_t *, const wchar_t *, wchar_t * *);
extern int wcswidth(const wchar_t *, size_t);
extern size_t wcsxfrm(wchar_t *, const wchar_t *, size_t);
extern int wctob(wint_t);
extern int wcwidth(wchar_t);
extern wchar_t *wmemchr(const wchar_t *, wchar_t, size_t);
extern int wmemcmp(const wchar_t *, const wchar_t *, size_t);
extern wchar_t *wmemcpy(wchar_t *, const wchar_t *, size_t);
extern wchar_t *wmemmove(wchar_t *, const wchar_t *, size_t);
extern wchar_t *wmemset(wchar_t *, wchar_t, size_t);
extern size_t mbrlen(const char *, size_t, mbstate_t *);
extern size_t mbrtowc(wchar_t *, const char *, size_t, mbstate_t *);
extern int mbsinit(const mbstate_t *);
extern size_t mbsnrtowcs(wchar_t *, const char **, size_t, size_t,
			 mbstate_t *);
extern size_t mbsrtowcs(wchar_t *, const char **, size_t, mbstate_t *);
extern wchar_t *wcpcpy(wchar_t *, const wchar_t *);
extern wchar_t *wcpncpy(wchar_t *, const wchar_t *, size_t);
extern size_t wcrtomb(char *, wchar_t, mbstate_t *);
extern size_t wcslen(const wchar_t *);
extern size_t wcsnrtombs(char *, const wchar_t * *, size_t, size_t,
			 mbstate_t *);
extern size_t wcsrtombs(char *, const wchar_t * *, size_t, mbstate_t *);
extern double wcstod(const wchar_t *, wchar_t * *);
extern float wcstof(const wchar_t *, wchar_t * *);
extern long int wcstol(const wchar_t *, wchar_t * *, int);
extern long double wcstold(const wchar_t *, wchar_t * *);
extern long long int wcstoq(const wchar_t *, wchar_t * *, int);
extern unsigned long int wcstoul(const wchar_t *, wchar_t * *, int);
extern unsigned long long int wcstouq(const wchar_t *, wchar_t * *, int);
extern wchar_t *wcswcs(const wchar_t *, const wchar_t *);
extern int wcscasecmp(const wchar_t *, const wchar_t *);
extern int wcsncasecmp(const wchar_t *, const wchar_t *, size_t);
extern size_t wcsnlen(const wchar_t *, size_t);
extern long long int wcstoll(const wchar_t *, wchar_t * *, int);
extern unsigned long long int wcstoull(const wchar_t *, wchar_t * *, int);
extern wint_t btowc(int);
extern wint_t fgetwc(FILE *);
extern wint_t fgetwc_unlocked(FILE *);
extern wchar_t *fgetws(wchar_t *, int, FILE *);
extern wint_t fputwc(wchar_t, FILE *);
extern int fputws(const wchar_t *, FILE *);
extern int fwide(FILE *, int);
extern int fwprintf(FILE *, const wchar_t *, ...);
extern int fwscanf(FILE *, const wchar_t *, ...);
extern wint_t getwc(FILE *);
extern wint_t getwchar(void);
extern wint_t putwc(wchar_t, FILE *);
extern wint_t putwchar(wchar_t);
extern int swprintf(wchar_t *, size_t, const wchar_t *, ...);
extern int swscanf(const wchar_t *, const wchar_t *, ...);
extern wint_t ungetwc(wint_t, FILE *);
extern int vfwprintf(FILE *, const wchar_t *, va_list);
extern int vfwscanf(FILE *, const wchar_t *, va_list);
extern int vswprintf(wchar_t *, size_t, const wchar_t *, va_list);
extern int vswscanf(const wchar_t *, const wchar_t *, va_list);
extern int vwprintf(const wchar_t *, va_list);
extern int vwscanf(const wchar_t *, va_list);
extern size_t wcsftime(wchar_t *, size_t, const wchar_t *,
		       const struct tm *);
extern int wprintf(const wchar_t *, ...);
extern int wscanf(const wchar_t *, ...);

11.3.79. wctype.h


extern int iswblank(wint_t);
extern wint_t towlower(wint_t);
extern wint_t towupper(wint_t);
extern wctrans_t wctrans(const char *);
extern int iswalnum(wint_t);
extern int iswalpha(wint_t);
extern int iswcntrl(wint_t);
extern int iswctype(wint_t, wctype_t);
extern int iswdigit(wint_t);
extern int iswgraph(wint_t);
extern int iswlower(wint_t);
extern int iswprint(wint_t);
extern int iswpunct(wint_t);
extern int iswspace(wint_t);
extern int iswupper(wint_t);
extern int iswxdigit(wint_t);
extern wctype_t wctype(const char *);
extern wint_t towctrans(wint_t, wctrans_t);

11.3.80. wordexp.h


extern int wordexp(const char *, wordexp_t *, int);
extern void wordfree(wordexp_t *);