unsigned far imagesize(int left, int top, int right, int bottom)
- prototype in graphics.h - returns the size of the buffer required to hold the screen image represented by the coordinates - returns size or 0xFFFF on error (image >= 64K-1)
- prototype in graphics.h - returns the size of the buffer required to hold the screen image represented by the coordinates - returns size or 0xFFFF on error (image >= 64K-1)