[AndyD]

Для Builder'а не знаю, но для VisualC можно так
Файл "aosmgr.h"

#ifndef _AOSMGR_H_
#define _AOSMGR_H_

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

#include <windef.h>

typedef UINT (CALLBACK * LPFNDLLAOSSTATUS)(char* Host, char* AOSname);
typedef UINT (CALLBACK * LPFNDLLAOSSTART)(char* Host, char* AOSname);
typedef UINT (CALLBACK * LPFNDLLAOSSTOP)(char* Host, char* AOSname);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif

файл "AxAosMgr.cpp" - пример консольного приложения, выводящего информацию о статусе AOS. Использование функций старта/остановки AOS аналогично

// AxAosMgr.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <windef.h>
#include <winbase.h>
#include <winuser.h>
#include <malloc.h>
#include "aosmgr.h"

char * GetStatusStr(int _status)
{
   switch (_status)
   {
		case 1:
			return "AOS остановлен";
		case 2:
			return "AOS запускается";
		case 3:
			return "AOS останавливается";
		case 4:
			return "AOS запущен";
        case -1:
            return "Connection timed out";
        case -2:
            return "Connection refused";
        case -3:
            return "Protocol error";
        case -4:
            return "Server manager not started";
        case -5:
            return "AOS stopped";
        case -6:
            return "AOS start pending";
        case -7:
            return "AOS stop pending";
        case -8:
            return "AOS running";
        case -9:
            return "AOS not found on server";
        case -10:
            return "Cannot assign requested address";
        case -11:
            return "Unknown TCP error";
        case -12:
            return "AOS unknown status";
        case -13:
            return "Access denied";
        case -14:
            return "Service error";
        case -15:
            return "Invalid Axapta Service Name";
        case -16:
            return "Service Does Not Exist";
        case -17:
            return "Service Not Started";
        case -18:
            return "Server Unavailable";
        default:
            return "Unknown status";
   }
}

int _tmain(int argc, _TCHAR* argv[])
{
	HINSTANCE hDLL;               
	LPFNDLLAOSSTATUS	AOSStatus;    
	LPFNDLLAOSSTART		AOSStart;    
	LPFNDLLAOSSTOP		AOSStop;   
	char*				msg;

	hDLL = LoadLibrary("AosMgr.dll");

	if (hDLL != NULL)
	{
	   AOSStatus = (LPFNDLLAOSSTATUS)GetProcAddress(hDLL, "AosStatus");
	   if (!AOSStatus)
	   {
		  FreeLibrary(hDLL);       
		  return -1;
	   }
/*	   AOSStart = (LPFNDLLAOSSTART)GetProcAddress(hDLL, "AosStart");
	   AOSStop = (LPFNDLLAOSSTOP)GetProcAddress(hDLL, "AosStop");*/

	   msg = GetStatusStr(AOSStatus("Axapta", "Axapta"));
	   if (msg)
	   {
			char * buf = (char*) malloc(strlen(msg)+1);
			strcpy(buf, msg);
			CharToOem(buf, buf);
			printf("%s\n", buf);
			free(buf);
	   }
	}
	return 0;
}