#include <sys/resource.h>

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

int
main(int argc, char **argv)
{
	struct rlimit r;
	char ch;

	printf("pid %jd\n", (intmax_t)getpid());
	if (getrlimit(RLIMIT_STACK, &r) == -1)
		err(1, "getrlimit");
	printf("cur %jd\n", (uintmax_t)r.rlim_cur);
	printf("max %jd\n", (uintmax_t)r.rlim_max);
	fflush(stdout);
	if (ferror(stdout))
		err(1, "stdout");

	read(STDIN_FILENO, &ch, 1);

	r.rlim_cur = 128*128;
	if (setrlimit(RLIMIT_STACK, &r) == -1)
		err(1, "setrlimit");

	return 0;
}