View Compilation Error

0_0_4573599_6827.c:9: error: syntax error before '/' token
0_0_4573599_6827.c: In function `prepare':
0_0_4573599_6827.c:18: error: `mat2' undeclared (first use in this function)
0_0_4573599_6827.c:18: error: (Each undeclared identifier is reported only once
0_0_4573599_6827.c:18: error: for each function it appears in.)
0_0_4573599_6827.c: In function `main':
0_0_4573599_6827.c:67: error: `map' undeclared (first use in this function)
0_0_4573599_6827.c:85: error: `mat2' undeclared (first use in this function)