--- a/include/fd.h 2020-10-25 12:29:43.527467613 +0200 +++ b/include/fd.h 2020-10-25 12:27:41.043595114 +0200 @@ -26,6 +26,7 @@ #include <stdbool.h> #include <stdlib.h> /* for ssize_t */+#include <sys/types.h> #include "where.h"