#include "stdio.h"›#include "math.h"››main (argc, argv)›int argc;›char *argv[];›{›  char buf[20];›  char f1[6], f2[6];››  atof(f1, argv[1]);›  atof(f2, argv[2]);››  fadd(f1, f1, f2);››  printf("%s + %s = ", argv[1], argv[2]);›  fputs(ftoa(f1, buf), stdout);›  fputc('\n', stdout);›}›