FN_TOGBIT()
 Toggle a bit in a number
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 Syntax
 
      fn_togbit( <nNum>, <nBit> ) -> nResult
 
 Arguments

     <nNum> is the number that needs a bit toggled.
     <nBit> is the bit to toggle.

 Returns

     <nResult>, a numeric

 Description

     Toggles bit <nBit> in number <nNum>.

 Examples

     ? fn_togbit( 9, 0 ) // 8 (toggles bit 0 )


 Source: N:\SRC\MISC\FNBIT.PRG

 Author: Ted Means