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

int main(void)
{
        int c;
        FILE *fps, *fpd;

        fps = fopen("src", "r");
        if (fps == NULL) {
                perror("fopen: src: ");
                exit(1);
        }

        fpd = fopen("dst", "w");
        if (fpd == NULL) {
                perror("fopen: dst: ");
                fclose(fps);
                exit(1);
        }

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

        fclose(fpd);
        fclose(fps);

        return 0;
}