Rich's feedback

*** 10,24 ****
   */
  
  /*
   * Copyright 2017 Jason King
   */
! #ifndef _SYSDEMANGLE_INT_H
! #define _SYSDEMANGLE_INT_H
  
  #include <stdio.h>
! #include "sysdemangle.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
--- 10,24 ----
   */
  
  /*
   * Copyright 2017 Jason King
   */
! #ifndef _DEMANGLE_INT_H
! #define _DEMANGLE_INT_H
  
  #include <stdio.h>
! #include "demangle-sys.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
*** 28,37 ****
  
  void *zalloc(sysdem_ops_t *, size_t);
  void *xrealloc(sysdem_ops_t *, void *, size_t, size_t);
  void xfree(sysdem_ops_t *, void *, size_t);
  
  #ifdef __cplusplus
  }
  #endif
  
! #endif /* _SYSDEMANGLE_INT_H */
--- 28,39 ----
  
  void *zalloc(sysdem_ops_t *, size_t);
  void *xrealloc(sysdem_ops_t *, void *, size_t, size_t);
  void xfree(sysdem_ops_t *, void *, size_t);
  
+ extern volatile boolean_t demangle_debug;
+ 
  #ifdef __cplusplus
  }
  #endif
  
! #endif /* _DEMANGLE_INT_H */