43. To combare two strings

1. Using using strcmp

#include <stdio.h>

#include <string.h>

int main()

{

   char a[100], b[100];

   printf("Enter the first string\n");

   gets(a);

   printf("Enter the second string\n");

   gets(b);

   if( strcmp(a,b) == 0 )

      printf("Entered strings are equal.\n");

   else

      printf("Entered strings are not equal.\n");

   return 0;

}

2 .without using strcmp

int compare(char a[], char b[])

{

   int c = 0;

   while( a[c] == b[c] )

   {

      if( a[c] == '\0' || b[c] == '\0' )

         break;

      c++;

   }

   if( a[c] == '\0' && b[c] == '\0' )

      return 0;

   else

      return -1;

}