Running standard c function system "Run as administrator"

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
  <assemblyIdentity version="1.0.0.0"
     processorArchitecture="X86"
     name="myapp"
     type="win32"/>
  <description>Description</description>
  <!-- Identify the application security requirements. -->
  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
    <security>
      <requestedPrivileges>
        <requestedExecutionLevel
          level="requireAdministrator"
          uiAccess="false"/>
        </requestedPrivileges>
       </security>
  </trustInfo>
</assembly>
 
----------------------------------------->8-------------------------
 
 
#include <tchar.h>
#include <afxole.h>
#include <stdlib.h>
 
#define FAIL_ARGS    1
#define FAIL_OLE     2
#define FAIL_LOAD    3
#define FAIL_ENTRY   4
#define FAIL_REG     5 
 
static char szAppName[] = "Register";
static char szUsage[] = "\n\nUsage: Register [/u] dllname";
static char szDllRegSvr[] = "DllRegisterServer";
static char szDllUnregSvr[] = "DllUnregisterServer"; 
 
int PASCAL WinMain(
		   HINSTANCE hInstance, 
		   HINSTANCE hPrev, 
		   LPSTR pszCmdLine, 
		   int nCmdShow)
{   
	int iReturn = 0;       
	HRESULT (FAR STDAPICALLTYPE * lpDllEntryPoint)(void);  
	static TCHAR szMsgBuffer[_MAX_PATH*4];         
	BOOL bVisualC = FALSE; 
	BOOL bSilent = FALSE;  
	BOOL bUnregister = FALSE;      
	LPSTR pszDllEntryPoint = szDllRegSvr;  
	LPSTR pszDllName = NULL;
	char szCmdLineCopy[_MAX_PATH]; 
	strcpy(szCmdLineCopy, pszCmdLine);             
	LPSTR pszTmp = szCmdLineCopy;  
	LPSTR pszTok;          
	
	while ((pszTok = strtok(pszTmp, " \t")) != NULL)       
	{                                
		pszTmp = NULL; 
		
		if ((pszTok[0] == '-') || (pszTok[0] == '/'))
		{      
			switch (pszTok[1])     
			{      
			case 'v':      
			case 'V':
				bVisualC = TRUE;
				break;         
			case 's':      
			case 'S':
				bSilent = TRUE;
				break;         
			case 'u':      
			case 'U':
				bUnregister = TRUE;
				pszDllEntryPoint = szDllUnregSvr;
				break;         
			default:
				wsprintf(szMsgBuffer, 
					"Unrecognized flag: %s%s", 
					pszTok, 
					(LPCSTR)szUsage);
				if (!bSilent)  
					MessageBox(NULL, 
					   szMsgBuffer, 
					   szAppName, 
					   MB_TASKMODAL | MB_ICONEXCLAMATION);
				return FAIL_ARGS;      
			}
		}
		else
		{      
			if (pszDllName == NULL)
				pszDllName = pszTok;   
			else   
			{
				wsprintf(szMsgBuffer, 
					"Extra argument on command line: %s%s", 
					pszTok, 
					(LPCSTR)szUsage);
				if (!bSilent)  
					MessageBox(NULL, 
					   szMsgBuffer, 
					   szAppName, 
					   MB_TASKMODAL | MB_ICONEXCLAMATION);
				return FAIL_ARGS;      
			}
		}      
	}      
	
	if (pszDllName == NULL)        
	{
		if (!bSilent)
		{      
			if (bVisualC)  
			{
				MessageBox(NULL, 
				"This command is only valid when "
				"an OLE Custom Control project is open.", 
				bUnregister ? 
				"Unregister Control" : "Register Control",
				MB_TASKMODAL | MB_ICONEXCLAMATION);
			}
			else   
			{
				wsprintf(szMsgBuffer, 
					_T("No DLL name specified%s"), 
					(LPCSTR)szUsage);
				MessageBox(NULL, 
					szMsgBuffer, 
					szAppName, 
					MB_TASKMODAL | MB_ICONEXCLAMATION);
			}
		}
		return FAIL_ARGS;      
	}
	
	if (FAILED(OleInitialize(NULL)))       
	{
		if (!bSilent)  
			MessageBox(NULL, 
				"OleInitialize failed.", 
				szAppName, 
				MB_TASKMODAL | MB_ICONINFORMATION);
		return FAIL_OLE;       
	}              
	
	HINSTANCE hLib = LoadLibrary(pszDllName);      
	
	if (hLib < (HINSTANCE)HINSTANCE_ERROR) 
	{
		wsprintf(szMsgBuffer, 
			"LoadLibary(\"%s\") failed.", 
			pszDllName);
		MessageBox(NULL, 
			szMsgBuffer, 
			szAppName, 
			MB_TASKMODAL | MB_ICONEXCLAMATION);
		iReturn = FAIL_LOAD;
		goto CleanupOle;       
	}
	
	(FARPROC&)lpDllEntryPoint = GetProcAddress(hLib, pszDllEntryPoint);
	
	if (lpDllEntryPoint == NULL)   
	{
#ifdef _WIN32
		int nLen = strlen(pszDllName);
		if ((nLen > 4) && 
			(stricmp(pszDllName + nLen - 4, ".dll") != 0)  && 
			(stricmp(pszDllName + nLen - 4, ".ocx") != 0))
		{      
			wsprintf(szMsgBuffer, 
			"%s was loaded, but the %s entry point "
			"was not found. %s does not appear to be "
			"an .DLL or .OCX file.", 
			pszDllName, 
			pszDllEntryPoint, 
			pszDllName);
		}
		else
		{      
			wsprintf(szMsgBuffer, 
			"%s was loaded, but the %s entry point "
			"was not found. %s may not be exported, "
			"or a corrupt version may be in memory.  "
			"Consider using PView to detect and remove it.",
			pszDllName, 
			pszDllEntryPoint, 
			pszDllEntryPoint);
		}
#else
		wsprintf(szMsgBuffer, 
		"%s was loaded, but the %s entry point "
		"was not found. %s may not be exported, "
		"or a corrupt version may be in memory.  "
		"Consider using WPS to detect and remove it.",
		pszDllName, 
		pszDllEntryPoint, 
		pszDllEntryPoint);
#endif
		
		if (!bSilent)  
			MessageBox(NULL, 
				szMsgBuffer, 
				szAppName, 
				MB_TASKMODAL | MB_ICONEXCLAMATION);
		iReturn = FAIL_ENTRY;
		
		goto CleanupLibrary;   
	}
	
	if (FAILED((*lpDllEntryPoint)()))      
	{
		wsprintf(szMsgBuffer, 
			"%s in %s failed.", 
			pszDllEntryPoint, 
			pszDllName);
		
		if (!bSilent)  
			MessageBox(NULL, 
				szMsgBuffer, 
				szAppName, 
				MB_TASKMODAL | MB_ICONEXCLAMATION);
		iReturn = FAIL_REG;
		
		goto CleanupLibrary;   
	}      
	
	wsprintf(szMsgBuffer,
		"%s in %s succeeded.", 
		pszDllEntryPoint, 
		pszDllName);     
	
	if (! bSilent)
		MessageBox(NULL, 
			szMsgBuffer, 
			szAppName, 
			MB_TASKMODAL | MB_ICONINFORMATION); 
CleanupLibrary:     
	FreeLibrary(hLib); 
	
CleanupOle: 
	OleUninitialize();     
	
	return iReturn;
}
                                              

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