19 lines
377 B
C
19 lines
377 B
C
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// A tile_t is a char in "123456789." (including the dot)
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//
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// tile_new checks this.
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//
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// The digits represent the values of filled cells, while the dot represents an
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// empty cell.
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#ifndef TILE_H
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#define TILE_H
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typedef struct { char value; } tile_t;
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// Create a tile from a character, validating that the character is in
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// "123456789."
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tile_t tile_new(char c);
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#endif
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