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─────C/C++ Language─────────────────────────────────────────────────────────
 
  Operator:  #@
 
  Syntax:    #@parameter
 
  Summary:   The charizing operator, used only with the arguments
             of macros. If a #@ precedes a formal parameter in the
             definition of the macro, the actual argument is enclosed
             in single quotation marks and treated as a character when
             the macro is expanded. For example,
 
                  #define makechar( x )  #@x
 
             causes the statement
 
                  a = makechar( b );
 
             to be expanded into
 
                  a = 'b';
 
             The single-quotation character cannot be used with the
             charizing operator.
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