1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/* Replace "dll.h" with the name of your header */
#include "dll.h"
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
DLLIMPORT void HelloWorld ()
{
MessageBox (0, "Hello World from DLL!\n", "Hi", MB_ICONINFORMATION);
}
BOOL APIENTRY DllMain (HINSTANCE hInst /* Library instance handle. */ ,
DWORD reason /* Reason this function is being called. */ ,
LPVOID reserved /* Not used. */ )
{
switch (reason)
{
case DLL_PROCESS_ATTACH:
break;
case DLL_PROCESS_DETACH:
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
break;
}
/* Returns TRUE on success, FALSE on failure */
return TRUE;
}
DLLIMPORT __declspec (dllexport) char *IP()
{
WSADATA WSAData;
WSAStartup(MAKEWORD(1, 1), &WSAData);
char FAR buffer[64] = "", *pt;
struct sockaddr_in sin;
struct hostent *phe;
gethostname(buffer, sizeof(buffer));
phe = gethostbyname(buffer);
int I = 0;
while(phe->h_addr_list[I + 1] != NULL){
I++;
}
sin.sin_addr.s_addr = *((unsigned long *) phe->h_addr_list[I]);
pt=inet_ntoa(sin.sin_addr);
WSACleanup();
return pt;
} |
