View Compilation Error

0_0_3946663_27633.c: In function `move':
0_0_3946663_27633.c:12: error: `x' undeclared (first use in this function)
0_0_3946663_27633.c:12: error: (Each undeclared identifier is reported only once
0_0_3946663_27633.c:12: error: for each function it appears in.)
0_0_3946663_27633.c:12: error: `y' undeclared (first use in this function)
0_0_3946663_27633.c:21: error: invalid lvalue in assignment
0_0_3946663_27633.c: In function `main':
0_0_3946663_27633.c:42: error: incompatible types in assignment
0_0_3946663_27633.c:46: error: incompatible types in assignment