Function switch_socket_recvfrom 

pub unsafe extern "C" fn switch_socket_recvfrom(
    from: *mut switch_sockaddr_t,
    sock: *mut switch_socket_t,
    flags: i32,
    buf: *mut c_char,
    len: *mut usize,
) -> switch_status_t

@param from The fspr_sockaddr_t to fill in the recipient info @param sock The socket to use @param flags The flags to use @param buf The buffer to use @param len The length of the available buffer