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ScreenGetChar
=============

Syntax
------

     #include <pc.h>
     
     void  ScreenGetChar(int *ch, int *attr, int col, int row);

Description
-----------

This function stores the character and attribute of the current primary
screen at row given by ROW and column given by COL (these are
zero-based) into the integers whose address is specified by CH and
ATTR.  It does so by directly accessing the video memory, so it will
only work when the screen is in text mode.  You can pass the value
`NULL' in each of the pointers if you do not want to retrieve the the
corresponding information.

Return Value
------------

None.

Example
-------

     int ch, attr;
     
     ScreenGetChar(&ch, &attr, 0, 0);