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

int
main(int argc, char **argv)
{
	FILE *fin;
	FILE *fout;
	int a;

	if (argc < 3)
		abort();

	fin = fopen(argv[1], "rb");
	if (!fin)
		abort();

	fout = fopen(argv[2], "wb");
	if (!fin)
		abort();

	for (;;) {
		a = getc(fin);
		if (a == EOF) {
			if (feof(fin))
				break;
			else
				abort();
		}

		if (putc(a, fout) == EOF)
			abort();
	}

	fclose(fin);
	fclose(fout);

	return EXIT_SUCCESS;
}