View Compilation Error

327494_0_24708.c: In function `main':
327494_0_24708.c:1: error: `__int64' undeclared (first use in this function)
327494_0_24708.c:1: error: (Each undeclared identifier is reported only once
327494_0_24708.c:1: error: for each function it appears in.)
327494_0_24708.c:1: error: syntax error before "e"
327494_0_24708.c:1: error: `o' undeclared (first use in this function)
327494_0_24708.c:1: error: `e' undeclared (first use in this function)