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

int main(int argc, char** argv) {

  // declare some variables
  //
  float x = atof(argv[1]);
  long i = floor(x);


  fprintf(stdout, "program name: %s\n", argv[0]);

  fprintf(stdout, "the value of x is %f\n", x);
}