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Man Pages


Manual Reference Pages  -  MEMCMP (3)

NAME

memcmp - compare byte string

CONTENTS

Library
Synopsis
Description
Return Values
See Also
Standards

LIBRARY


.Lb libc

SYNOPSIS


.In string.h int memcmp const void *b1 const void *b2 size_t len

DESCRIPTION

The memcmp function compares byte string b1 against byte string b2. Both strings are assumed to be len bytes long.

RETURN VALUES

The memcmp function returns zero if the two strings are identical, otherwise returns the difference between the first two differing bytes (treated as
.Vt unsigned char values, so that '\200' is greater than '\0', for example). Zero-length strings are always identical.

SEE ALSO

bcmp(3), strcasecmp(3), strcmp(3), strcoll(3), strxfrm(3), wmemcmp(3)

STANDARDS

The memcmp function conforms to -isoC.
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