Function ftruncate

crates/vm/src/stdlib/os.rs:2031–2033

(fd: crt_fd::Borrowed<'_>, length: crt_fd::Offset)

    #[pyfunction]
    pub fn ftruncate(fd: crt_fd::Borrowed<'_>, length: crt_fd::Offset) -> io::Result<()> {
        crt_fd::ftruncate(fd, length)
    }

    #[pyfunction]
    fn truncate(path: PyObjectRef, length: crt_fd::Offset, vm: &VirtualMachine) -> PyResult<()> {