Countdown program: beep : Beep « Development « C / ANSI-C






Countdown program: beep


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

int main(int argc, char *argv[])
{
  int disp, count;

  if(argc<2) {
    printf("You must enter the length of the count\n");
    printf("on the command line.  Try again.\n");
    exit(1);
  }

  if(argc==3 && !strcmp(argv[2], "display")) disp = 1;
  else disp = 0;

  for(count=atoi(argv[1]); count; --count)
    if(disp) printf("%d\n", count);

  putchar('\a');  /* this will ring the bell */
  printf("Done");

  return 0;
}
 

           
       








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