#-h- 356 cp1.c
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) // cp.c
{
    FILE *in = fopen(argv[1], "r");
    FILE *out = fopen(argv[2], "w");

    char buf[4096];
    size_t bytes_read;
    while ((bytes_read = fread(buf, 4096, 1, in)) != 0) {
        fwrite(buf, bytes_read, sizeof(char), out);
        }

    fclose(in);
    fclose(out);
}