/* See LICENSE file for copyright and license details. */ #include #include #include "arg.h" char *argv0; static void usage(void) { fprintf(stderr, "usage: %s user key-name ...\n", argv0); exit(1); } int main(int argc, char *argv[]) { ARGBEGIN { default: usage(); } ARGEND; if (argc < 2) usage(); return 0; }