remove support for non-ANSI compilation

@@ -17,19 +17,20 @@
  * fields enclosed by brackets "[]" replaced with your own identifying
  * information: Portions Copyright [yyyy] [name of copyright owner]
  *
  * CDDL HEADER END
  */
+/*
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+ */
 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
 /*        All Rights Reserved   */
 
 
 #ifndef _SYS_LOCK_H
 #define _SYS_LOCK_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 11.7  */
-
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 /*

@@ -42,23 +43,15 @@
 
 #ifdef _KERNEL
 
 #define MEMLOCK  8
 
-#if defined(__STDC__)
 int punlock(void);
-#else
-int punlock();
-#endif  /* __STDC__ */
 
 #else
 
-#if defined(__STDC__)
 int plock(int);
-#else
-int plock();
-#endif  /* __STDC__ */
 
 #endif  /* _KERNEL */
 
 #ifdef  __cplusplus
 }