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NAME

       ggiDrawPixel,  ggiPutPixel,  ggiGetPixel  - Draw, put, and get a single
       pixel from a visual

SYNOPSIS

       #include <ggi/ggi.h>

       int ggiDrawPixel(ggi_visual_t vis, int x, int y);

       int ggiPutPixel(ggi_visual_t vis, int x, int y, ggi_pixel pixel);

       int ggiGetPixel(ggi_visual_t vis, int x, int y, ggi_pixel *pixel);

DESCRIPTION

       Draw, put, or get a single pixelvalue at (x, y).

RETURN VALUE

       All three functions return 0 to indicate success.