A question about #define WIN32 in dmalloc.c

Hi, everyone!

Look at the source codes in dmalloc.c,

--------
/* #define WIN32 */
#ifdef WIN32
#define MORECORE wsbrk
#endif
--------

Such is the comments,

--------
WIN32 (default: undefined)
Define this on MS win (95, nt) platforms to compile in sbrk emulation.
--------

I have two questions,

1. What means WIN32? When the variable "WIN32" becomes
defined? When it is not defined?

2. What means "sbrk" in the comment? What means "wsbrk"?

Cheers,
Joe

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Received on Sun Sep 01 2002 - 05:01:50 MDT