View Compilation Error

0_0_6234448_18627.cpp: In function `int main()':
0_0_6234448_18627.cpp:118: error: `up' undeclared (first use this function)
0_0_6234448_18627.cpp:118: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6234448_18627.cpp:118: error: `down' undeclared (first use this function)
0_0_6234448_18627.cpp:118: error: `left' undeclared (first use this function)
0_0_6234448_18627.cpp:118: error: `right' undeclared (first use this function)
0_0_6234448_18627.cpp:119: error: `u' undeclared (first use this function)
0_0_6234448_18627.cpp:119: error: `d' undeclared (first use this function)
0_0_6234448_18627.cpp:119: error: `l' undeclared (first use this function)
0_0_6234448_18627.cpp:119: error: `r' undeclared (first use this function)