holy shit this is stupid

rancol.c

#include <stdio.h>
#include <unistd.h>

extern long int random(void);
extern void srandom(unsigned int seed);
extern int isatty(int);
extern int fileno(FILE *stream);
extern long int strtol(const char *nptr, char **endptr, int base);

int main(int argc, char *argv[])
{
	int limit;
	if(argc != 2 || !(limit = strtol(argv[1], NULL, 10)))
	{
		fprintf(stderr, "Usage: %s [INTEGER]\n", argv[0]);
		return 1;
	}
	FILE *fp = fopen("/dev/urandom", "r");
	srandom(fgetc(fp));
	fclose(fp);
	for(int i = 0; i < limit; i++)
    	{
        	printf("\x1B[%dm%c", 30 + (int)(random() % 6 + 1), 
		       ' ' + (int)(random() % 94));
	}
	if(isatty(fileno(stdin))) // Do not append a newline if we are being piped
	{
		putchar('\n');
	}
	return 0;
}