View Compilation Error

1014496_0_0_24355.c:3: error: syntax error before "n"
1014496_0_0_24355.c: In function `fun2':
1014496_0_0_24355.c:4: error: `n' undeclared (first use in this function)
1014496_0_0_24355.c:4: error: (Each undeclared identifier is reported only once
1014496_0_0_24355.c:4: error: for each function it appears in.)