CFUNC_CDECL       105 ext/dl/cfunc.c   data->calltype = CFUNC_CDECL;
CFUNC_CDECL       128 ext/dl/cfunc.c     data->calltype = (calltype == Qnil) ? CFUNC_CDECL : SYM2ID(calltype);
CFUNC_CDECL       268 ext/dl/cfunc.c     if( cfunc->calltype == CFUNC_CDECL ){
CFUNC_CDECL       240 ext/dl/cptr.c    return rb_dlcfunc_new(pdata->free, DLTYPE_VOID, "free<anonymous>", CFUNC_CDECL);