View Compilation Error

0_0_12907996_6585.c:26: error: syntax error before "Gao"
0_0_12907996_6585.c: In function `Gao':
0_0_12907996_6585.c:29: error: `false' undeclared (first use in this function)
0_0_12907996_6585.c:29: error: (Each undeclared identifier is reported only once
0_0_12907996_6585.c:29: error: for each function it appears in.)
0_0_12907996_6585.c:36: error: `true' undeclared (first use in this function)