rb_dlptr2cptr     305 ext/dl/cptr.c    ptr1 = rb_dlptr2cptr(self);
rb_dlptr2cptr     306 ext/dl/cptr.c    ptr2 = rb_dlptr2cptr(other);
rb_dlptr2cptr     315 ext/dl/cptr.c    ptr1 = rb_dlptr2cptr(self);
rb_dlptr2cptr     316 ext/dl/cptr.c    ptr2 = rb_dlptr2cptr(other);
rb_dlptr2cptr     326 ext/dl/cptr.c    ptr = rb_dlptr2cptr(self);
rb_dlptr2cptr     338 ext/dl/cptr.c    ptr = rb_dlptr2cptr(self);
rb_dlptr2cptr     388 ext/dl/cptr.c  	    mem = rb_dlptr2cptr(arg2);