Function wasi_common_lucet::hostcalls::wasi_common_fd_read

#[no_mangle]
pub unsafe extern "C" fn wasi_common_fd_read(
    wasi_ctx: *mut WasiCtx, 
    memory: *mut u8, 
    memory_len: usize, 
    fd: u32, 
    iovs_ptr: u32, 
    iovs_len: u32, 
    nread: u32
) -> u16