-#include "yx_uint16.h" /* for uint16_t */
+#include "yx_uint16.h" /* for uint8_t, uint16_t */
-extern char yx_uint16_cmp(struct yx_uint16 a, struct yx_uint16 b)
+extern uint8_t yx_uint16_cmp(struct yx_uint16 a, struct yx_uint16 b)
{
if (a.y == b.y && a.x == b.x)
{
-#include <stdint.h> /* for uint16_t */
+#include <stdint.h> /* for uint8_t, uint16_t */
};
/* Return 1 if two yx_uint16 coordinates a and b are equal, else 0. */
-extern char yx_uint16_cmp(struct yx_uint16 a, struct yx_uint16 b);
+extern uint8_t yx_uint16_cmp(struct yx_uint16 a, struct yx_uint16 b);
/* Return yx_uint16 coordinate one step from coordinate yx in direction dir. */
extern struct yx_uint16 mv_yx_in_dir(enum dir d, struct yx_uint16 yx);