text-mode glitch art

#include <stdio.h>
#include <time.h>

/* http://en.wikipedia.org/wiki/ANSI_escape_code */

#define G 100
#define L 10
#define I 10
#define T 100
#define C 50
#define H 20

int main(int argc,char *argv[]) {
 short in;
 srandom(getpid() + time(0));
 while((in=fgetc(stdin)) != -1) {
  if(!(random() % G)) {
   printf("\x1b[3%1dm",random() % L);
   printf("\x1b[4%1dm",random() % I);
  }
  if(!(random() % T)) {
   printf(" ");
  }
  if(!(random() % C)) {
   printf("\x1b[1m");
  }
  if(in != '\n') {
   if(!(random() % H)) in^=(1<<(random()%8));
   printf("%c",in);
  }
  else printf("\n");
 }
 printf("\x1b[00m");
 return 0;
}