/*
 * File name: copy.c
 * Date:      2006/10/26 14:39
 * Author:    
 */

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

int main(int argc, char **argv)
{
    int fin, fout;
    char buff[4096];
    size_t readen;

    if (argc != 3) {
        printf( "%s fin fout\n", argv[0]);
        exit( 255 );
    }

    if ((fin = open( argv[1], O_RDONLY )) < 0) {
        perror("open fin");
        exit(255);
    }
    if ((fout = open( argv[2], O_CREAT|O_WRONLY )) < 0) {
        perror("open fout");
        exit(255);
    }

    while (readen = read( fin, buff, sizeof(buff) )) {
        if (write( fout, buff, readen ) != readen) {
            printf( "Ouch in write\n" );
            close( fin );
            close( fout );
            exit( 255 );
        }
    }


    close( fin );
    close( fout );
    exit( 0 );
}

/* end of copy.c */
~