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Man Pages


Manual Reference Pages  -  STRNCMP (3)

NAME

strcmp, strncmp - compare strings

CONTENTS

Library
Synopsis
Description
Return Values
See Also
Standards

LIBRARY


.Lb libc

SYNOPSIS


.In string.h int strcmp const char *s1 const char *s2 int strncmp const char *s1 const char *s2 size_t len

DESCRIPTION

The strcmp and strncmp functions lexicographically compare the null-terminated strings s1 and s2.

The strncmp function compares not more than len characters. Because strncmp is designed for comparing strings rather than binary data, characters that appear after a \0’ character are not compared.

RETURN VALUES

The strcmp and strncmp functions return an integer greater than, equal to, or less than 0, according as the string s1 is greater than, equal to, or less than the string s2. The comparison is done using unsigned characters, so that \200’ is greater than \0’.

SEE ALSO

bcmp(3), memcmp(3), strcasecmp(3), strcoll(3), strxfrm(3), wcscmp(3)

STANDARDS

The strcmp and strncmp functions conform to -isoC.
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