#define _XOPEN_SOURCE 700
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include <errno.h>

#define E(x) { x, #x }

static const struct {
	int ec;
	char *name;
} errs[] = { E(ENOENT), E(ENOTDIR), E(ENAMETOOLONG), E(ELOOP), E(EACCES), E(0) };

int main(int argc, char *argv[])
{
	while (*++argv) {
		char *s = realpath(*argv, (char[PATH_MAX]){""});
		//char *s = realpath(*argv, 0);
		if (!s) {
			int i;
			for (i=0; errs[i].ec && errs[i].ec!=errno; i++);
			s = errs[i].name;
		}
		puts(s);
	}
}