extern char yx_uint16_cmp(struct yx_uint16 a, struct yx_uint16 b)
{
if (a.y == b.y && a.x == b.x)
+ {
return 1;
+ }
else
+ {
return 0;
+ }
}
extern struct yx_uint16 mv_yx_in_dir(enum dir d, struct yx_uint16 yx)
{
if (d == NORTH)
+ {
yx.y--;
+ }
else if (d == EAST)
+ {
yx.x++;
+ }
else if (d == SOUTH)
+ {
yx.y++;
+ }
else if (d == WEST)
+ {
yx.x--;
+ }
return yx;
}