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.TH strcmp 3
.SH NAME
strcmp - compare strings
.SH SYNOPSIS
#include <string.h>

int strcmp(const char *s1, const char *s2)
.SH DESCRIPTION
The
.BR strcmp ()
function compares the string
pointed to by
.I s1
to the string pointed to by
.IR s2 .
.PP
The value returned shall be used to determine
if a string is lexicographically
greater than, lesser than or equal to
the other string.
.PP
The function shall not modify either of the strings.
.SH RETURN VALUE
The
.BR strcmp ()
function shall return an integer
greater than, equal to or lesser than 0,
if the string pointed to by
.I s1
is greater than, equal to or lesser than
the string pointed to by
.IR s2 ,
respectively.
.SH STANDARDS
ISO/IEC 9899:1999 Section 7.21.4.2