remove support for non-ANSI compilation

@@ -18,10 +18,12 @@
  *
  * CDDL HEADER END
  */
 
 /*
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+ *
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
 /*

@@ -65,12 +67,10 @@
 
 typedef struct {
         void *__file_attrp;     /* implementation-private */
 } posix_spawn_file_actions_t;
 
-#if defined(__STDC__)
-
 extern int posix_spawn(
         pid_t *_RESTRICT_KYWD pid,
         const char *_RESTRICT_KYWD path,
         const posix_spawn_file_actions_t *file_actions,
         const posix_spawnattr_t *_RESTRICT_KYWD attrp,

@@ -186,42 +186,10 @@
 
 extern int posix_spawnattr_getsigmask(
         const posix_spawnattr_t *_RESTRICT_KYWD attr,
         sigset_t *_RESTRICT_KYWD sigmask);
 
-#else   /* __STDC__ */
-
-extern int posix_spawn();
-extern int posix_spawnp();
-extern int posix_spawn_file_actions_init();
-extern int posix_spawn_file_actions_destroy();
-extern int posix_spawn_file_actions_addopen();
-extern int posix_spawn_file_actions_addclose();
-extern int posix_spawn_file_actions_adddup2();
-extern int posix_spawnattr_init();
-extern int posix_spawnattr_destroy();
-extern int posix_spawnattr_setflags();
-extern int posix_spawnattr_getflags();
-extern int posix_spawnattr_setpgroup();
-extern int posix_spawnattr_getpgroup();
-extern int posix_spawnattr_setschedparam();
-extern int posix_spawnattr_getschedparam();
-extern int posix_spawnattr_setschedpolicy();
-extern int posix_spawnattr_getschedpolicy();
-extern int posix_spawnattr_setsigdefault();
-extern int posix_spawnattr_getsigdefault();
-#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
-extern int posix_spawn_pipe_np();
-extern int posix_spawn_file_actions_addclosefrom_np();
-extern int posix_spawnattr_setsigignore_np();
-extern int posix_spawnattr_getsigignore_np();
-#endif  /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
-extern int posix_spawnattr_setsigmask();
-extern int posix_spawnattr_getsigmask();
-
-#endif  /* __STDC__ */
-
 #ifdef  __cplusplus
 }
 #endif
 
 #endif  /* _SPAWN_H */