From: Markus Jais <info@...>
Date: 2002-09-13T06:41:13+09:00
Subject: what is T_DATA ?

hello
I am currently trying to understand the C source of mysql-ruby.

there is a line at mysql.c which looks like this (line 40)

#define GetHandler(obj)         (Check_Type(obj, T_DATA), &(((
struct mysql*)DATA_PTR(obj))->handler))

and I do not understand what's going on here.

what is this T_DATA

I couldn't find anything in the pickaxe book and in README.EXT
there is only
T_DATA          data

in section 1.1 Data-types

can anybody explain me, what T_DATA is good for?

thanks

markus