expose memmem under baseline POSIX feature profile

[musl] / include / stddef.h

diff --git a/include/stddef.h b/include/stddef.h
index bd75385..f25b863 100644 (file)
--- a/include/stddef.h
+++ b/include/stddef.h
@@ -1,7 +1,9 @@
 #ifndef _STDDEF_H
 #define _STDDEF_H
 
-#ifdef __cplusplus
+#if __cplusplus >= 201103L
+#define NULL nullptr
+#elif defined(__cplusplus)
 #define NULL 0L
 #else
 #define NULL ((void*)0)