Function sock_getsockopt

pub fn sock_getsockopt<M: Memory>(
    ctx: &mut WasiCtx,
    mem: &mut M,
    fd: __wasi_fd_t,
    level: Type,
    name: Type,
    flag: WasmPtr<i32>,
    flag_size_ptr: WasmPtr<__wasi_size_t>,
) -> Result<(), Errno>