/* yx_uint16.c */
+#include "yx_uint16.h"
+#include <stdint.h> /* for uint8_t, uint16_t */
-#include "yx_uint16.h" /* for uint8_t, uint16_t */
-
-
-extern uint8_t 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)
+ if (a->y == b->y && a->x == b->x)
{
return 1;
}
- else
- {
- return 0;
- }
+ return 0;
}
-extern struct yx_uint16 mv_yx_in_dir(enum dir d, struct yx_uint16 yx)
+extern struct yx_uint16 mv_yx_in_dir(char d, struct yx_uint16 yx)
{
- if (d == NORTH)
+ if (d == 'N')
{
yx.y--;
}
- else if (d == EAST)
+ else if (d == 'E')
{
yx.x++;
}
- else if (d == SOUTH)
+ else if (d == 'S')
{
yx.y++;
}
- else if (d == WEST)
+ else if (d == 'W')
{
yx.x--;
}