mov edx, edi
add edx, USER.readbuffer
mov dword ptr [edi+USER.bufsize], 0
read_loop:
    push edx

    push 0
    push 1
    push edx ; buffer
    push dword ptr [edi + USER.socket]
    call recv

    pop edx

    cmp eax, 0
     je disconn
    cmp eax, SOCKET_ERROR
     je disconn

    add dword ptr [edi+USER.bufsize], eax
    add edx, eax
    cmp dword ptr [edi+USER.bufsize], 1Fh ; 1Fh+1h = 20h
     jg disconn
    cmp byte ptr [edx-1], 0FFh
     jne read_loop