#include "libtf.h"
#include <stdio.h>

int main(void)
{
	printf("(null) = %s\n", err_get());
	printf("(null) = %s\n", err_get());
	err_remember("msg1");
	printf("msg1 = %s\n", err_get());
	printf("(null) = %s\n", err_get());
	err_remember("msg2");
	printf("msg2 = %s\n", err_get());
	printf("(null) = %s\n", err_get());
}