feat: add gmssl headers

include/gmssl/version.h

@@ -0,0 +1,37 @@
+/*
+ *  Copyright 2014-2023 The GmSSL Project. All Rights Reserved.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the License); you may
+ *  not use this file except in compliance with the License.
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ */
+
+
+
+#ifndef GMSSL_VERSION_H
+#define GMSSL_VERSION_H
+
+#include <gmssl/api.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+Version Public API
+
+	gmssl_version_num
+	gmssl_version_str
+*/
+
+#define GMSSL_VERSION_NUM	30101
+#define GMSSL_VERSION_STR	"GmSSL 3.1.1 Dev"
+
+_gmssl_export int gmssl_version_num(void);
+_gmssl_export const char *gmssl_version_str(void);
+
+#ifdef __cplusplus
+}
+#endif
+#endif