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-rw-r--r--include/sys/msg.h2
1 files changed, 1 insertions, 1 deletions
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