/* 
 *      Minimal Copy program
 *
 *      Usage: copy from to
 *      Jeff Parker
 */
#include <stdio.h>        /* Minimal cp  */
#define PERMS 0644

#define BUFSIZ 1

main(int argc, char *argv[]) 
{
    int f1, f2, n;
    char buf[BUFSIZ];

    /* Do we have the right parameters? */
    if (argc != 3) { 
        printf("Usage: %s from to\n", argv[0]); 
        exit(-1); 
    }

    if ((f1 = open(argv[1], 0)) == -1)
        printf("Can't open %s\n", argv[1]);
    if ((f2 = creat(argv[2], PERMS)) == -1)
        printf("Can't create %s\n", argv[2]);
    while ((n = read(f1, buf, BUFSIZ)) > 0)
        if (write(f2, buf, n) != n) 
            printf("Write error\n");

    exit (0);
}