Linux Standard Base Core Specification 3.0Preview1 | ||
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strnlen() returns the number of characters in the string s, not including the terminating \0 character, but at most maxlen. In doing this, strnlen() looks only at the first maxlen characters at s and never beyond s + maxlen.
strnlen() returns strlen(s), if that is less than maxlen, or maxlen if there is no \0 character among the first maxlen characters pointed to by s.
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