if_ether.h: new ethernet protocol type

[musl] / include / wchar.h

diff --git a/include/wchar.h b/include/wchar.h
index fd5aac5..9fd967c 100644 (file)
--- a/include/wchar.h
+++ b/include/wchar.h
@@ -33,7 +33,11 @@ extern "C" {
 #define WCHAR_MIN (-1-0x7fffffff+L'\0')
 #endif
 
+#ifdef __cplusplus
 #define NULL 0L
+#else
+#define NULL ((void*)0)
+#endif
 
 #undef WEOF
 #define WEOF 0xffffffffU