#ifdef vs #if vs #if defined
From: Michael B Allen (mba2000_at_ioplex.com)
Date: 02/25/05
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Date: Fri, 25 Feb 2005 17:05:24 -0500
Which is the preferred method for preprocessor tests and why?
#ifdef XYZ
or
#if XYZ
or
#if defined(XYZ)
and
#elif
or
#elsif
and
#ifndef XYZ
or
#if !defined(XYZ)
Mike
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