Function twz_rt_fd_pwrite_to

pub unsafe extern "C-unwind" fn twz_rt_fd_pwrite_to(
    fd: descriptor,
    buf: *const c_void,
    len: usize,
    ctx: *mut io_ctx,
    ep: *const endpoint,
) -> io_result

Write to a file. May write less than specified len. Send to specified endpoint (e.g. socket address).