63 typedef struct sigcontext mcontext_t;  typedef
69   mcontext_t uc_mcontext;
75 typedef struct sigcontext mcontext_t;  typedef
81   mcontext_t uc_mcontext;
106 } mcontext_t;  typedef
112   mcontext_t uc_mcontext;
123 } mcontext_t;  typedef
130   mcontext_t uc_mcontext;
141 } mcontext_t;  typedef
147   mcontext_t uc_mcontext;
416   mcontext_t& mcontext = ucontext->uc_mcontext;  in FillRegisterState()