/*
 *  usage - give program usage
 */

#include        <stdio.h>

usage(argv)
char** argv;
{
    fprintf(stderr, "%s: USAGE: %s [flags] > outfile\n",
        argv[0], argv[0]);
    fprintf(stderr, "\n");
    fprintf(stderr, "    flag           meaning                 default\n");
    fprintf(stderr, "    -------------  ------------------------------------  -------\n");
    fprintf(stderr, "    -f <filename>  input file (plain text or encrypted)  [none]\n");
    fprintf(stderr, "    -k <filename>  key filename                          [none]\n");
    fprintf(stderr, "    -s <ineger>    number of bytes to skip in key file   0\n");
    fprintf(stderr, "\n");
    fprintf(stderr, "    -D             debug                                 FALSE  \n");
    fprintf(stderr, "    -h             help on this program           \n");
    fprintf(stderr, "    -u             usage (this message)           \n");
    fprintf(stderr, "\n");

    } /* end of usage */