memcmp - Compares the first count characters between 2 pointers in C

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

  int main(int argc, char *argv[])
  {
    int outcome, len, l1, l2;

    char *str = "asdf";
    char *str1 = "asdfasdf";

    /* find the length of shortest string */
    l1 = strlen(str);
    l2 = strlen(str1);
    len = l1 < l2 ? l1:l2;

    outcome = memcmp(str, str1, len);

    if(!outcome)
        printf("Equal");
    else if(outcome<0)
        printf("First less than second.");
    else
        printf("First greater than second.");

    return 0;
  }