Struct A
{
   Int charme;
}*a;

Struct B
{
  A c;
}*b

int	_ClientLogin( LPVOID _lpStruct)
{
  TranSocket	*stSock;
  ...
  int k = stSock->dwIndex;    //相当于取stSock.dwIndex 赋值给k
  ...
  return (0);
}

.386
.model flat,stdcall
option casemap:none

include windows.inc
include kernel32.inc
include user32.inc
includelib user32.lib
includelib kernel32.lib

aa struct
   charme dd ?
aa ends

bb struct
    charme1 dd ?
    cc aa <>
    
bb ends

.data?
p2 bb <>  ;;;;;;;注意
p1 aa <>  ;;;;;;;;注意

szEAX      db 8 dup('0'),0

strr1 dd ? 
.data
strr db "charme",0
.code
ExchangCode	proc w32BitCode:DWORD,lpCode:DWORD
		push	ebx
		push	ecx
		push	esi
		mov	esi,lpCode
		mov	eax,w32BitCode
		mov	ecx,8
    @@nextchar:	push	ecx
		rol	eax,4
		mov	ebx,eax
		and	ebx,0000000Fh
		cmp	bl,09
		jle	@@char0_9
		add	bl,07h
    @@char0_9:	add	bl,30h
		mov	BYTE PTR [esi],bl
		inc	esi
		pop	ecx
		loop	@@nextchar
		pop	esi
		pop	ecx
		pop	ebx
		ret
ExchangCode	endp 
main proc
    mov p1.charme,20h
    mov ebx, p2.cc.charme
        
    push offset szEAX
    push ebx
    call ExchangCode
    
    push 40h
    push offset strr
    push offset szEAX
    push 0
    call MessageBox
    
    
    ;push 03e8h
    ;call Sleep
    
    push 0
    call ExitProcess
main endp
end main

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