View Compilation Error

0_0_5463580_24682.c:3: error: syntax error before '&' token
0_0_5463580_24682.c: In function `maxSum':
0_0_5463580_24682.c:7: error: `begin' undeclared (first use in this function)
0_0_5463580_24682.c:7: error: (Each undeclared identifier is reported only once
0_0_5463580_24682.c:7: error: for each function it appears in.)
0_0_5463580_24682.c:8: error: `n' undeclared (first use in this function)
0_0_5463580_24682.c:15: error: `end' undeclared (first use in this function)