NumCol() - returns the number of columns in the application window
 Returns number of available application window columns
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 Syntax

     NumCol() --> nColumns

 Arguments

     None

 Returns

     NumCol() returns the number of columns available in the application
     window

 Description

     Use NumCol() to establish screen width to determine the line break for
     output in the application window.

     According to the orignal specification, this function is supposed to
     return the number of columns in the active window. This is not the case.
     Apprently it returns the physical number of columns that the screen has.
     Our version returns the number of columns within the application window.

 Notes

     ■  This function does not alter the cursor position.

 Example

     Column count:

     ? NumCol()              // 80


 Files:  Library is MRWINDOW.LIB.