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strnlen(9) [centos man page]

STRNLEN(9)						     Basic C Library Functions							STRNLEN(9)

NAME
strnlen - Find the length of a length-limited string SYNOPSIS
size_t strnlen(const char * s, size_t count); ARGUMENTS
s The string to be sized count The maximum number of bytes to search COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 STRNLEN(9)

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STRNLEN(3)						     Linux Programmer's Manual							STRNLEN(3)

NAME
strnlen - determine the length of a fixed-size string SYNOPSIS
#include <string.h> size_t strnlen(const char *s, size_t maxlen); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): strnlen(): Since glibc 2.10: _XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L Before glibc 2.10: _GNU_SOURCE DESCRIPTION
The strnlen() function returns the number of bytes in the string pointed to by s, excluding the terminating null bye (''), but at most maxlen. In doing this, strnlen() looks only at the first maxlen bytes at s and never beyond s+maxlen. RETURN VALUE
The strnlen() function returns strlen(s), if that is less than maxlen, or maxlen if there is no null byte ('') among the first maxlen bytes pointed to by s. CONFORMING TO
POSIX.1-2008. SEE ALSO
strlen(3) COLOPHON
This page is part of release 3.44 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. GNU
2012-05-10 STRNLEN(3)
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