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

int main(void)
{
        int c;
        FILE *src, *dst;

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

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

        while ((c = fgetc(src)) != EOF) {
                fputc(c, dst);
        }

        fclose(src);
        fclose(dst);

        return 0;
}