remove support for non-ANSI compilation

@@ -20,12 +20,13 @@
  * CDDL HEADER END
  */
 /*      Copyright (c) 1988 AT&T */
 /*        All Rights Reserved   */
 
-
 /*
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+ *
  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
 /*

@@ -41,12 +42,10 @@
  */
 
 #ifndef _ISO_TIME_ISO_H
 #define _ISO_TIME_ISO_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI" /* SVr4.0 1.18 */
-
 #include <sys/feature_tests.h>
 
 #ifdef  __cplusplus
 extern "C" {
 #endif

@@ -95,12 +94,10 @@
         int     tm_yday;
         int     tm_isdst;
 };
 
 
-#if defined(__STDC__)
-
 extern char *asctime(const struct tm *);
 extern clock_t clock(void);
 extern char *ctime(const time_t *);
 extern double difftime(time_t, time_t);
 extern struct tm *gmtime(const time_t *);

@@ -108,24 +105,10 @@
 extern time_t mktime(struct tm *);
 extern time_t time(time_t *);
 extern size_t strftime(char *_RESTRICT_KYWD, size_t, const char *_RESTRICT_KYWD,
         const struct tm *_RESTRICT_KYWD);
 
-#else /* __STDC__ */
-
-extern char *asctime();
-extern clock_t clock();
-extern char *ctime();
-extern double difftime();
-extern struct tm *gmtime();
-extern struct tm *localtime();
-extern time_t mktime();
-extern time_t time();
-extern size_t strftime();
-
-#endif  /* __STDC__ */
-
 #if __cplusplus >= 199711L
 }
 #endif /* end of namespace std */
 
 #ifdef  __cplusplus