View Compilation Error

0_0_1656949_9207.c:9: error: syntax error before "judge"
0_0_1656949_9207.c: In function `judge':
0_0_1656949_9207.c:12: error: `true' undeclared (first use in this function)
0_0_1656949_9207.c:12: error: (Each undeclared identifier is reported only once
0_0_1656949_9207.c:12: error: for each function it appears in.)
0_0_1656949_9207.c:14: error: `false' undeclared (first use in this function)