Using strcmp and strncmp : strncmp « string.h

Using strcmp and strncmp : strncmp « string.h « C Tutorial

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C Tutorial » string.h » strncmp

24.15.2.Using strcmp and strncmp

#include <stdio.h>

#include <string.h>



int main()

{

   const char *s1 = "asdfasdfasdf"; 

   const char *s2 = "fdafdsafdsa"; 

   const char *s3 = "abced"; 

 

   printf("%s%s\n%s%s\n%s%s\n\n%s%2d\n%s%2d\n%s%2d\n\n",

          "s1 = ", s1, "s2 = ", s2, "s3 = ", s3,

          "strcmp(s1, s2) = ", strcmp( s1, s2 ),

          "strcmp(s1, s3) = ", strcmp( s1, s3 ),

          "strcmp(s3, s1) = ", strcmp( s3, s1 ) );



   printf("%s%2d\n%s%2d\n%s%2d\n",

          "strncmp(s1, s3, 6) = ", strncmp( s1, s3, 6 ),

          "strncmp(s1, s3, 7) = ", strncmp( s1, s3, 7 ),

          "strncmp(s3, s1, 7) = ", strncmp( s3, s1, 7 ) );



   return 0; 



}

s1 = asdfasdfasdf
s2 = fdafdsafdsa
s3 = abced

strcmp(s1, s2) = -5
strcmp(s1, s3) = 17
strcmp(s3, s1) = -17

strncmp(s1, s3, 6) = 17
strncmp(s1, s3, 7) = 17
strncmp(s3, s1, 7) = -17

24.15.strncmp
	24.15.1.	strncmp
	24.15.2.	Using strcmp and strncmp

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