ref: 4e6fb511b31c7d113f56e968c952575cb0130df3
dir: /doc/man3/memcmp.3/
.TH MEMCMP 3 .SH NAME memcmp - compare bytes in memory .SH SYNOPSIS #include <string.h> int memcmp (const void *s1, const void *s2, size_t n) .SH DESCRIPTION The .BR memcmp () function compares the first .I n bytes of the object pointed to by .I s1 to the first .I n bytes of the object pointed to by .IR s2 . The value returned shall be used to determine if an object is lexicographically greater than, lesser than or equal to another object. .SH RETURN VALUE The .BR memcmp () function shall return an integer greater than, equal to, or lesser than 0, if the object pointed to by .I s1 is greater than, equal to, or lesser than the object pointed to by .IR s2 , respectively. .SH STANDARDS ISO/IEC 9899:1999 Section 7.21.4.1