/*
 *  waitstdin -- wait for text on stdin
 *  $ cc -O2 -o waitstdin waitstdin.c
 */

#include <sys/select.h> 
#include <sys/wait.h> 

int
main()
{
        fd_set readfds;

        FD_ZERO(&readfds);
        FD_SET(0, &readfds);
        if(select(1, &readfds, NULL, NULL, NULL) == -1)
                return 1;

	return 0;
}