Add extern "C" guards to public headers

Author: nikias

include/libtatsu/tatsu.h

@@ -32,6 +32,14 @@
   #endif
 #endif
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 LIBTATSU_API const char* libtatsu_version();
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif

include/libtatsu/tss.h

@@ -28,6 +28,10 @@
 #include <plist/plist.h>
 #include <stdbool.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* parameters */
 LIBTATSU_API int tss_parameters_add_from_manifest(plist_t parameters, plist_t build_identity, bool include_manifest);
 
@@ -65,4 +69,8 @@ LIBTATSU_API int tss_response_get_blob_by_entry(plist_t response, const char* en
 
 LIBTATSU_API void tss_set_debug_level(int level);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif