#include <stdio.h>   // printf, sscanf
#include <stdlib.h>  // strtol, EXIT_SUCCESS

int main(int argc, char** argv) {
  int   num;       // holds return values
  char* p_end;     // holds endptr output param for strtol
  char* str1 = "333 rocks";
  int   i;         // output param for sscanf
  char  str2[10];  // output param for sscanf

  num = (int) strtol(str1, &p_end, 10);
  printf("*** STRTOL ***\n");
  printf("converted number = %d\n", num);
  printf("str1 = %p\n", str1);
  printf("p_end = %p\n\n", p_end);

  num = sscanf("3 blind mice", "%d %s", &i, str2);
  printf("*** SSCANF ***\n");
  printf("filled %d arguments\n", num);
  printf("i = %d\n", i);
  printf("str2 holds: %s\n", str2);

  return EXIT_SUCCESS;
}