View Compilation Error

0_0_9310413_19135.c:4: error: syntax error before '&' token
0_0_9310413_19135.c: In function `is_end':
0_0_9310413_19135.c:6: error: `dis' undeclared (first use in this function)
0_0_9310413_19135.c:6: error: (Each undeclared identifier is reported only once
0_0_9310413_19135.c:6: error: for each function it appears in.)
0_0_9310413_19135.c:6: error: `h' undeclared (first use in this function)
0_0_9310413_19135.c:9: error: `n' undeclared (first use in this function)