--- src/lib/libc/include/semaphore.h	2019-04-09 14:12:29.619185765 +0200
+++ src/lib/libc/include/semaphore.h.new	2019-04-09 14:31:35.913650094 +0200
@@ -46,7 +46,7 @@
 	__uint32_t	_padding;	/* Preserve structure size */
 };
 
-typedef	struct _sem	sem_t;
+typedef	struct sem*	sem_t;
 
 #define	SEM_FAILED	((sem_t *)0)
 #define	SEM_VALUE_MAX	__INT_MAX