C/C++ Compiler (cl.hlp) (Table of Contents; Topic list)
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C4019
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     Compiler warning (level 4) C4019
 
     empty statement at global scope
 
     The compiler found a semicolon that was not preceded by a statement.
     This warning is generated only in global scope.
 
     This warning can be avoided by removing the extra semicolon.
 
     The following example demonstrates this warning:
 
          #define declint( varname ) int #varname;
 
          declint( a );         //Warning, int a;;
 
          declint( b )          //OK, int b;
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