View Compilation Error

0_0_8966948_23191.c:9: error: syntax error before "t"
0_0_8966948_23191.c: In function `hailun':
0_0_8966948_23191.c:11: error: `t' undeclared (first use in this function)
0_0_8966948_23191.c:11: error: (Each undeclared identifier is reported only once
0_0_8966948_23191.c:11: error: for each function it appears in.)