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

int main(int argc, char **argv)
{
	char path[PATH_MAX];
	int i;
	int cr=1;
	
	i = 1;

	if (i < argc) {
		if(!strcmp(argv[i],"-n")) {cr=0; ++i;}
		if(!strcmp(argv[i],"--")) {++i;}
	}

	if (i >= argc) {
		printf("USAGE: realpath [-n] [--] filenames...\n");
	}
	
	for (;i<argc;++i) {
		if (realpath(argv[i],path)) {
			fputs(path,stdout);
			if (i < (argc-1) )
				putchar(' ');
		} else {
			perror(argv[i]);
			return 1;
		}
			
	}
	if (cr) putchar('\n');
	return 0;
}