SIG_PF           2246 gc/os_dep.c        typedef void (* SIG_PF)();
SIG_PF           2252 gc/os_dep.c        typedef void (* SIG_PF)(int);
SIG_PF           2254 gc/os_dep.c        typedef void (* SIG_PF)();
SIG_PF           2264 gc/os_dep.c        typedef LONG (WINAPI *SIG_PF)(struct _EXCEPTION_POINTERS *);
SIG_PF           3612 gc/os_dep.c    typedef void (* SIG_PF)();