remove support for non-ANSI compilation

*** 17,35 ****
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _APPTRACE_IMPL_H
  #define _APPTRACE_IMPL_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #ifdef  __cplusplus
  extern "C" {
  #endif
  
  typedef struct abisym {
--- 17,35 ----
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #ifndef _APPTRACE_IMPL_H
  #define _APPTRACE_IMPL_H
  
  #ifdef  __cplusplus
  extern "C" {
  #endif
  
  typedef struct abisym {
*** 44,55 ****
  extern FILE *__abi_outfile;
  extern struct liblist *__abi_pflib_list;
  
  extern sigset_t abisigset;
  
- #ifdef  __STDC__
- 
  extern void abilock(sigset_t *);
  extern void abiunlock(sigset_t *);
  
  extern int      is_empty_string(char const *);
  
--- 44,53 ----
*** 58,81 ****
  extern int (*abi_sigsetmask)(int, const sigset_t *, sigset_t *);
  extern int (*abi_sigaction)(int, const struct sigaction *, struct sigaction *);
  extern int (*abi_mutex_lock)(mutex_t *);
  extern int (*abi_mutex_unlock)(mutex_t *);
  
- #else   /* __STDC__ */
- 
- extern void abilock();
- extern void abiunlock();
- extern int      is_empty_string();
- extern int (*abi_thr_main)();
- extern thread_t (*abi_thr_self)();
- extern int (*abi_sigsetmask)();
- extern int (*abi_sigaction)();
- extern int (*abi_mutex_lock)();
- extern int (*abi_mutex_unlock)();
- 
- #endif  /* __STDC__ */
- 
  #ifdef  __cplusplus
  }
  #endif
  
  #endif  /* _APPTRACE_IMPL_H */
--- 56,65 ----