strnlen(3) [suse man page]
STRNLEN(3) Linux Programmer's Manual STRNLEN(3) NAME
strnlen - determine the length of a fixed-size string SYNOPSIS
#define _GNU_SOURCE #include <string.h> size_t strnlen(const char *s, size_t maxlen); DESCRIPTION
The strnlen() function returns the number of characters in the string pointed to by s, not including the terminating ' ' character, but at most maxlen. In doing this, strnlen() looks only at the first maxlen characters 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 ' ' character among the first maxlen char- acters pointed to by s. CONFORMING TO
This function is a GNU extension. SEE ALSO
strlen(3), feature_test_macros(7) COLOPHON
This page is part of release 3.25 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
1999-07-25 STRNLEN(3)
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STRNLEN(3) Linux Programmer's Manual STRNLEN(3) NAME
strnlen - determine the length of a fixed-size string SYNOPSIS
#define _GNU_SOURCE #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 characters in the string pointed to by s, not including the terminating ' ' character, but at most maxlen. In doing this, strnlen() looks only at the first maxlen characters 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 ' ' character among the first maxlen char- acters pointed to by s. CONFORMING TO
This function is a GNU extension. SEE ALSO
strlen(3), feature_test_macros(7) COLOPHON
This page is part of release 3.27 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
2010-09-15 STRNLEN(3)