View Compilation Error

0_0_6300412_28815.cpp:13: error: `point' does not name a type
0_0_6300412_28815.cpp: In function `int main()':
0_0_6300412_28815.cpp:139: error: `up' undeclared (first use this function)
0_0_6300412_28815.cpp:139: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6300412_28815.cpp:139: error: `down' undeclared (first use this function)
0_0_6300412_28815.cpp:139: error: `left' undeclared (first use this function)
0_0_6300412_28815.cpp:139: error: `right' undeclared (first use this function)