C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
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_MAXTEXTROWS
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─────Run-Time Library───────────────────────────────────────────────────────
 
  Constant:  _MAXTEXTROWS
 
  Include:   <graph.h>
 
  Context:   _settextrows, _setvideomoderows
 
  Synopsis:  Specifies the maximum number of rows available. In text
             modes, the maximum is 50 for VGA, 43 for EGA, and 25 for
             others. In graphics modes that support 30 or 60 rows,
             _MAXTEXTROWS specifies 60 rows. In SVGA modes,
             _MAXTEXTROWS specifies the vertical resolution (as
             returned in a _videoconfig struct by the _getvideoconfig
             function) divided by 8.
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