--- src/sys.h.orig	2022-10-09 23:16:55.000000000 +1100
+++ src/sys.h	2022-10-22 15:58:52.000000000 +1100
@@ -96,6 +96,7 @@ size_t	strlcpy(char *dst, const char *sr
 #endif
 
 #ifndef HAVE_GETLINE
+#include <sys/types.h>
 //#define	getline libedit_getline
 ssize_t	getline(char **line, size_t *len, FILE *fp);
 #endif
@@ -105,6 +106,7 @@ int reallocarr(void *ptr, size_t number,
 #endif
 
 #ifndef HAVE_WCSDUP
+#include <wchar.h>
 wchar_t * wcsdup(const wchar_t *str);
 #endif