typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
+typedef bool (CPERLscope(*destroyable_proc_t)) (pTHX_ SV *sv);
/* _ (for $_) must be first in the following list (DEFSV requires it) */
#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"