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simple riddle about macro

Name: Anonymous 2011-05-18 16:01

Bellow is a macro from Perl source code (perl.h).

# define _swab_32_(x) ((U32)( \
         (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
         (((U32)(x) & U32_CONST(0x0000ff00)) <<  8) | \
         (((U32)(x) & U32_CONST(0x00ff0000)) >>  8) | \
         (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))


Provide at least 3 ideas, how this may be reused in other projects.

Name: Anonymous 2011-05-18 17:11

The Lisp weenies are awful militant lately. Used to be a lot less Lisp vs. C, and almost never an unprovoked attack against C by a Lisper. Obv. trolling I guess. It's unbecoming though.

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