sj3serv: Add stub for a new server

Signed-off-by: Masanori Ogino <mogino@acm.org>

CMakeLists.txt

@@ -121,11 +121,12 @@ target_link_libraries(sj3stat
 )
 
 add_executable(sj3serv
-    sj3serv/comuni.c
-    sj3serv/error.c
-    sj3serv/execute.c
-    sj3serv/main.c
-    sj3serv/setup.c
+    sj3serv/sj3serv.c
+#    sj3serv/comuni.c
+#    sj3serv/error.c
+#    sj3serv/execute.c
+#    sj3serv/main.c
+#    sj3serv/setup.c
 )
 target_include_directories(sj3serv
     PRIVATE include sj3lib

sj3serv/sj3serv.c

@@ -0,0 +1,34 @@
+/*-
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright (c) 2023  Masanori Ogino
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/**
+ * @file sj3serv.c
+ * @brief かな漢字変換サーバーのエントリーポイント。
+ */
+
+int
+main(int argc, char *argv[])
+{
+	return 0;
+}