View Compilation Error

156492_0_8480.c: In function `main':
156492_0_8480.c:7: error: `i' undeclared (first use in this function)
156492_0_8480.c:7: error: (Each undeclared identifier is reported only once
156492_0_8480.c:7: error: for each function it appears in.)
156492_0_8480.c:7: error: syntax error before ')' token