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strcmp (3)

>> strcmp (3) ( FreeBSD man: Библиотечные вызовы )

strcmp (3) ( Русские man: Библиотечные вызовы )

strcmp (3) ( Linux man: Библиотечные вызовы )

strcmp (3) ( POSIX man: Библиотечные вызовы )

strcmp (9) ( Solaris man: Ядро )

BSD mandoc

NAME



strcmp

 
strncmp

 - compare strings

LIBRARY

Lb libc

SYNOPSIS

#include <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 Fa s1 and Fa s2 .

The strncmp ();
function compares not more than Fa 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 ();
return an integer greater than, equal to, or less than 0, according as the string Fa s1 is greater than, equal to, or less than the string Fa s2 . The comparison is done using unsigned characters, so that `\200' is greater than `\0'