remove support for non-ANSI compilation

*** 17,26 ****
--- 17,28 ----
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _NSCTL_H
*** 61,71 ****
  typedef struct nsc_release {
          const char *build;      /* build release */
          const char *runtime;    /* runtime release(s) */
  } nsc_release_t;
  
- #ifdef __STDC__
  extern void _nsc_nocheck(void);
  extern nsc_fd_t *nsc_open(char *, int, int);
  extern nsc_fd_t *nsc_fdopen(int, char *, int);
  extern int nsc_close(nsc_fd_t *);
  extern int nsc_fileno(nsc_fd_t *);
--- 63,72 ----
*** 77,103 ****
  extern int nsc_isfrozen(char *path);
  extern int nsc_getsystemid(int *id);
  extern int nsc_name_to_id(char *name, int *id);
  extern int nsc_id_to_name(char **name, int id);
  extern int nsc_check_release(const char *, nsc_release_t *, char **);
- #else
- extern void _nsc_nocheck();
- extern nsc_fd_t *nsc_open();
- extern nsc_fd_t *nsc_fdopen();
- extern int nsc_close();
- extern int nsc_fileno();
- extern int nsc_reserve();
- extern int nsc_release();
- extern int nsc_partsize();
- extern int nsc_freeze();
- extern int nsc_unfreeze();
- extern int nsc_isfrozen();
- extern int nsc_getsystemid();
- extern int nsc_name_to_id();
- extern int nsc_id_to_name();
- extern int nsc_check_release();
- #endif
  
  #ifdef  __cplusplus
  }
  #endif
  
--- 78,87 ----