#include <fcntl.h>
#include <errno.h>

int pipe_ret, pipes[2];

int main(int ac, char **av)
{
	int i, numb_fds;

        numb_fds = getdtablesize();

	for (i = 0; i < numb_fds; i++) {
		pipe_ret = pipe(pipes);
		if (pipe_ret < 0) {
			if (errno != EMFILE)
				printf ("got unexpected error - %d", errno);
			else
				printf ("got expected error - %d", errno);
			break;
		 }
	 }

	return 0;
}