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

int main(int argc, char *argv[])
{
        int c;
        FILE *fps, *fpd;

        if (argc != 3) {
                fprintf(stderr, "Usage: %s src_file dst_file\n", argv[0]);
                exit(1);
        }

        fps = fopen(argv[1], "r");
        if (fps == NULL) {
                perror(argv[1]);
                exit(1);
        }

        fpd = fopen(argv[2], "w");
        if (fpd == NULL) {
                perror(argv[2]);
                fclose(fps);
                exit(1);
        }

        while ((c = fgetc(fps)) != EOF) {
                fputc(c, fpd);
        }

        fclose(fpd);
        fclose(fps);

        return 0;
}