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 COLOR

 The Color category includes functions to manipulate and convert the
 dBASE/Clipper colors.  In dBASE and Clipper, all screen input and
 display colors are driven off of the color value that is set using
 the SET COLOR TO or SETCOLOR() commands.  In ClipOn, the color
 value set using the SET COLOR commands is referred to as the
 dBASE/Clipper color string.  ClipOn functions that require a color
 argument can use the dBASE/Clipper color string, or will read the
 current Clipper color setting and use that.  The color string is
 comprised of several colors which produce different attributes when
 used.  The following are the components of the color string:

 [standard] [,enhanced] [,border] [,background] [,unselected]

 Since many effects can be achieved by manipulating the colors,
 ClipOn provides several routines to help do this.  These functions
 can obtain various color attributes including reverse, high
 intensity, normal intensity, hidden, blinking, foreground, and
 background.  There are also functions to extract any part of the
 color string as well as functions to convert the color string to a
 numeric color code.

 C_REVCOLOR()        C_BGCOLOR()
 C_HIGHCOLOR()       C_FGCOLOR()
 C_LOWCOLOR()        C_EXTCOLOR()
 C_HIDECOLOR()       C_DBCOLOR()
 C_BLINKCOLOR()      C_NCOLOR()