プログラムヘッダーはクライアントプログラムの宣言部分です。また、コマンド行が間違っていた場合に構文を説明する関数もあります。
/* * Copyright 1994 by OpenVision Technologies, Inc. * * Permission to use, copy, modify, distribute, and sell this software * and its documentation for any purpose is hereby granted without fee, * provided that the above copyright notice appears in all copies and * that both that copyright notice and this permission notice appear in * supporting documentation, and that the name of OpenVision not be used * in advertising or publicity pertaining to distribution of the software * without specific, written prior permission. OpenVision makes no * representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied warranty. * * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ #include <stdio.h> #include <unistd.h> #include <stdlib.h> #include <string.h> #include <ctype.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <netdb.h> #include <error.h> #include <sys/stat.h> #include <fcntl.h> #include <gssapi/gssapi.h> #include <gssapi/gssapi_ext.h> #include "gss-misc.h" /* ディスプレイ状態に必要な大域機構 oid、および資格の取得 */ gss_OID g_mechOid = GSS_C_NULL_OID; void usage() { fprintf(stderr, "Usage: gss-client [-port port] [-d]" " [-mech mechOid] host service msg\n"); exit(1); } |