1SDL_UpdateRect(3)              SDL API Reference             SDL_UpdateRect(3)
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NAME

6       SDL_UpdateRect  -  Makes  sure  the  given area is updated on the given
7       screen.
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SYNOPSIS

10       #include "SDL.h"
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12       void SDL_UpdateRect(SDL_Surface *screen, Sint32 x, Sint32 y, Sint32  w,
13       Sint32 h);
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DESCRIPTION

16       Makes sure the given area is updated on the given screen. The rectangle
17       must be confined within the screen boundaries (no clipping is done).
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19       If 'x', 'y', 'w' and 'h' are all  0,  SDL_UpdateRect  will  update  the
20       entire screen.
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22       This function should not be called while 'screen' is locked.
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SEE ALSO

25       SDL_UpdateRects, SDL_Rect, SDL_Surface, SDL_LockSurface
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29SDL                         Tue 11 Sep 2001, 23:01           SDL_UpdateRect(3)