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From: Jeff-Relf.Me <x@x.Invalid>
Newsgroups: comp.os.linux.advocacy,comp.os.linux.embedded
Subject: While( Ch ) if ( Ch‑1 <= 32 ) *P -= 32 ; 
Date: Tue, 28 Feb 2012 05:52:11 -0800 (Seattle)
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Speaking of "#define" macros...
#define  While( Should_Loop )  Ch = 1, P-- ;  \
  while( Ch‑1 = Ch, Ch && ( Ch = *++P, Ch2 = !Ch ? 0 : P[1], Should_Loop ) )

wchar_t B[] = L"hello world", *P = B, Ch‑1, Ch, Ch2 ;
//  Capitalise B, make it "Hello World". 
While( Ch ) if ( Ch‑1 <= 32 ) *P -= 32 ;