HelenOS sources

CTOD              100 uspace/app/tetris/tetris.h #define CTOD(x)  ((x) * 2 + (((Cols - 2 * B_COLS) >> 1) - 1))
CTOD              100 uspace/dist/src/c/demos/tetris/tetris.h #define CTOD(x)  ((x) * 2 + (((Cols - 2 * B_COLS) >> 1) - 1))
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