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

FILE *stdin;
FILE *stdout;
FILE *stderr;

__attribute__((constructor))
static void initialize_streams(void)
{
	stdin = fdopen(STDIN_FILENO, "r");

	stdout = fdopen(STDOUT_FILENO, "w");
	setvbuf(stdout, NULL, _IOLBF, BUFSIZ);

	stderr = fdopen(STDERR_FILENO, "w");
	setvbuf(stderr, NULL, _IONBF, 0);
}