#include <limits.h>
#include <stdlib.h>
#include <stdio.h>

int main()
{
	char rp[PATH_MAX];
	if (realpath(".", rp)) {
		printf("current real path: %s\n", rp);
	} else {
		fprintf(stderr, "error getting real path!\n");
		exit(1);
	}

	return 0;
}