x SuSE Linux 13.1-RELEASE x
x SuSE Linux 13.1-RELEASEx
STRCASECMP(3) Linux Programmer's Manual STRCASECMP(3)
NAME
strcasecmp, strncasecmp - compare two strings ignoring case
SYNOPSIS
#include <strings.h>
int strcasecmp(const char *s1, const char *s2);
int strncasecmp(const char *s1, const char *s2, size_t n);
DESCRIPTION
The strcasecmp() function compares the two strings s1 and s2, ignoring
the case of the characters. It returns an integer less than, equal to,
or greater than zero if s1 is found, respectively, to be less than, to
match, or be greater than s2.
The strncasecmp() function is similar, except it compares the only
first n bytes of s1.
RETURN VALUE
The strcasecmp() and strncasecmp() functions return an integer less
than, equal to, or greater than zero if s1 (or the first n bytes
thereof) is found, respectively, to be less than, to match, or be
greater than s2.
CONFORMING TO
4.4BSD, POSIX.1-2001.
NOTES
The strcasecmp() and strncasecmp() functions first appeared in 4.4BSD,
where they were declared in <string.h>. Thus, for reasons of histori-
cal compatibility, the glibc <string.h> header file also declares these
functions, if the _DEFAULT_SOURCE (or, in glibc 2.19 and earlier,
_BSD_SOURCE) feature test macro is defined.
SEE ALSO
bcmp(3), memcmp(3), strcmp(3), strcoll(3), string(3), strncmp(3),
wcscasecmp(3), wcsncasecmp(3)
COLOPHON
This page is part of release 3.69 of the Linux man-pages project. A
description of the project, information about reporting bugs, and the
latest version of this page, can be found at
http://www.kernel.org/doc/man-pages/.
2014-05-10 STRCASECMP(3)
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