#include <stdio.h>
#include <string.h>

int main() {
  char str1[] = "abcd", str2[] = "abCd", str3[] = "abcd";
  int result;

  /* comparing strings str1 and str2*/
  result = strcmp(str1, str2);
  printf("strcmp(str1, str2) = %d\n", result);

  /* comparing strings str1 and str3*/
  result = strcmp(str1, str3);
  printf("strcmp(str1, str3) = %d\n", result);

  result = strcmp(str2,str3);
  printf("strcmp(str2,str3)=%d\n", result);

  return 0;
}