musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/include/sys/msg.h b/include/sys/msg.h
index 9fc42bcd..92bd5a00 100644
--- a/include/sys/msg.h
+++ b/include/sys/msg.h

@@ -30,7 +30,7 @@ struct msqid_ds

int msgctl (int, int, struct msqid_ds *);

int msgget (key_t, int);

-int msgrcv (int, void *, size_t, long, int);

+ssize_t msgrcv (int, void *, size_t, long, int);

int msgsnd (int, const void *, size_t, int);

#endif