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/*
     test 

*/

#define DllExport extern "C" __declspec(dllexport) 

DllExport int __stdcall summa(int a,int b) 
{ 
   int sum;

   sum=a+b;
   return(sum);
} 

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--------------------Configuration: test - Win32 Debug--------------------
Compiling...
main.cpp
Linking...
LINK : warning LNK4075: ignoring /INCREMENTAL due to /FORCE specification
   Creating library Debug/test.lib and object Debug/test.exp
LINK : error LNK2001: unresolved external symbol __DllMainCRTStartup@12
Debug/test.dll : warning LNK4088: image being generated due to /FORCE option; image may not run

test.dll - 1 error(s), 2 warning(s)

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typedef struct
{ char *name;
  void *addr;
} EXP;

int __stdcall START(int state);
int my_func(int a, int b);

EXP EXPORTS[]={ {"START", START},
                {"version", (void *)0x00010001},  
                {"MyFunc", my_func},
                0,0
              };   

int __stdcall START(int state)
{
  return 1;
}

int my_func(int a, int b)
{
  return a+b;
}

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        .686P
        .XMM
        .model  flat

PUBLIC  EXPORTS
_DATA   SEGMENT

$SG579  DB      'START', 00H
$SG580  DB      'version', 00H
$SG582  DB      'MyFunc', 00H

EXPORTS DD      FLAT:$SG579
        DD      FLAT:_START@4
        DD      FLAT:$SG580
        DD      010001H
        DD      FLAT:$SG582
        DD      FLAT:_my_func
        DD      00H
        DD      00H