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strncmp

Syntax

 
#include <string.h>

int strncmp(const char *s1, const char *s2, size_t max);

Description

This function compares up to max characters of s1 and s2.

Return Value

Zero if the strings are equal, a positive number if s1 comes after s2 in the ASCII collating sequense, else a negative number.

Portability

ANSI/ISO C C89; C99
POSIX 1003.2-1992; 1003.1-2001

Example

 
if (strncmp(arg, "-i", 2) == 0)
  do_include();


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