View Compilation Error

701816_0_0_29710.c: In function `cmp':
701816_0_0_29710.c:11: error: `node' undeclared (first use in this function)
701816_0_0_29710.c:11: error: (Each undeclared identifier is reported only once
701816_0_0_29710.c:11: error: for each function it appears in.)
701816_0_0_29710.c:11: error: syntax error before ')' token
701816_0_0_29710.c:11: error: syntax error before ')' token