/* $begin tfgetsmain */
#include "csapp.h"

char *tfgets(char *s, int size, FILE *stream);

int main() 
{
    char buf[MAXLINE];

    if (tfgets(buf, MAXLINE, stdin) == NULL)
	printf("BOOM!\n");
    else 
	printf("%s", buf);

    exit(0);
}
/* $end tfgetsmain */