diff -ur lib.h.orig lib.h --- lib.h.orig 2018-06-26 21:16:01.758253475 +0200 +++ lib.h 2018-06-26 21:16:15.786252900 +0200 @@ -16,6 +16,7 @@ #include #include #include +#include #ifdef __cplusplus extern "C" {