1.TH strcmp 3 scc\-VERSION2.SH NAME3strcmp - compare two strings4.SH SYNOPSIS5#include <string.h>67int strcmp(const char *s1, const char *s2)8.SH DESCRIPTION9The10.BR strcmp ()11function performs a lexicographic comparison of the string at12.I s113against the string at14.IR s2 .15Neither string is modified during the comparison.16.SH RETURN VALUE17A positive integer is returned if18.I s119is lexicographically greater than20.IR s2 ,21zero if the two strings are equal,22and a negative integer if23.I s124is lexicographically less than25.IR s2 .26.SH STANDARDS27ISO/IEC 9899:1999 Section 7.21.4.2