View Compilation Error

250708_0_3413.c: In function `main':
250708_0_3413.c:5: error: `_int64' undeclared (first use in this function)
250708_0_3413.c:5: error: (Each undeclared identifier is reported only once
250708_0_3413.c:5: error: for each function it appears in.)
250708_0_3413.c:5: error: syntax error before "all"
250708_0_3413.c:9: error: `all' undeclared (first use in this function)