FN_ISBIT()
 Determine if a specified bit is set
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 Syntax
 
      fn_isbit( <nNum>, <nBit> ) -> lSet
 
 Arguments

     <nNum> is the number to test, <nBit> is the
     bit to test (0-15).

 Returns

     Returns logical .t. if the bit is set, .f. if
     it isn't.

 Description

     Determines if a specified bit in a number is set.

 Examples

     ? fn_isbit( 13, 0 ) // .t. (bit 0 is set)


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

 Author: Ted Means