remove support for non-ANSI compilation

@@ -18,37 +18,28 @@
  * information: Portions Copyright [yyyy] [name of copyright owner]
  *
  * CDDL HEADER END
  */
 /*
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+ *
  * Copyright (c) 1995, 2000 by Sun Microsystems, Inc.
  * All rights reserved.
  */
 
 #ifndef _RE_COMP_H
 #define _RE_COMP_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 #include <sys/feature_tests.h>
 
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
-#if defined(__STDC__)
-
 extern char *re_comp(const char *);
 extern int re_exec(const char *);
 
-#else
-
-extern char *re_comp();
-extern int re_exec();
-
-#endif  /* __STDC__ */
-
 #ifdef  __cplusplus
 }
 #endif
 
 #endif  /* _RE_COMP_H */