ref: f53e048d3a57eeee135e2d8aa3cd72b7f3dc2711
dir: /doc/man3/strcmp.3/
.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