Adjust the include file for C++ compilers

diff --git a/libhpcs.h b/libhpcs.h
index c9b35077cd0750d3da990f5d4b661b471eb8eed2..ce63b69e1dc192cd32229eee04c6fa8c92ada0a6 100644 (file)
--- a/libhpcs.h
+++ b/libhpcs.h
@@ -1,3 +1,7 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <stddef.h>
 #include <stdint.h>
 
@@ -55,3 +59,7 @@ __declspec(dllexport) enum HPCS_RetCode __cdecl hpcs_read_file(const char* const
 enum HPCS_RetCode hpcs_read_file(const char* const filename, struct HPCS_MeasuredData* mdata);
 char* hpcs_error_to_string(const enum HPCS_RetCode);
 #endif
+
+#ifdef __cplusplus
+}
+#endif