function called in GUI_APP_MAIN
int function()
{
	printf("this is a test program\n");

	const char * send_argv[]={"sudo","ls","-al",NULL};
	pid_t pid = fork();
	switch(pid) {
		case -1:	//parent fork failed
			return P2M_FORK_FAIL;
			break;
		case  0:	//child process
			if(-1==execvp(send_argv[0], send_argv)); //execvp("sudo",{"sudo","ls","-al",NULL})
				return P2M_EXEC_FAIL;
			break;
		default:	//parent process
			wait(NULL);
			return P2M_OK;
			break;
	}
}

#include <wincon.h>
void InitDebugPrintf(char *Format)
{
	COORD Size;

	InitializeCriticalSection( &Criticalsection );
	ConsoleCreated = TRUE;
	ConsoleCreated = AllocConsole();
	ConsoleScreenBuffer = CreateConsoleScreenBuffer( GENERIC_WRITE, 0, NULL, CONSOLE_TEXTMODE_BUFFER, NULL );
	Size.X = 120;
	Size.Y = 1024;
	SetConsoleScreenBufferSize( ConsoleScreenBuffer, Size );
	if( ConsoleScreenBuffer != NULL ) SetConsoleActiveScreenBuffer( ConsoleScreenBuffer );
	SetConsoleTitle(Format);

}
void CancelDebugPrintf()
{
	DeleteCriticalSection( &Criticalsection );
	fclose(stream);
	fclose(stream1);
	CloseHandle( ConsoleScreenBuffer );
//	FreeConsole();
}
void DebugPrintf( unsigned char Type, char *Format, ... )
{
	char LocalBuffer[128];
	int SizeWritten;
	DWORD SizeToWriteToConsole;
	va_list ap;

	va_start( ap, Format );
	if(( SizeWritten  = _vsnprintf( LocalBuffer , sizeof( LocalBuffer ), Format, ap )) != -1 )
	{
		LocalBuffer[sizeof(LocalBuffer)-1] = '\0';
		if( ConsoleCreated == FALSE ) InitDebugPrintf("PEPE I");
		EnterCriticalSection( &Criticalsection );
				if( ConsoleScreenBuffer != NULL )
				{
					SetConsoleTextAttribute(ConsoleScreenBuffer,FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
					WriteConsole( ConsoleScreenBuffer, TEXT(LocalBuffer), SizeToWriteToConsole = SizeWritten, &SizeToWriteToConsole, NULL );
				}
		LeaveCriticalSection( &Criticalsection );

	}
	va_end( ap );
}

int exec_xterm()
{
	const char * temp_argv[100]={"xterm", "-sb", "-rightbar", "-hold", "-e", "sudo", "ls", NULL};
	char * const * send_argv=(char * const * )temp_argv;//force convert type
	
	pid_t pid = fork();//------------------------------------------------------
	
	switch(pid) {
		case -1:	//parent fork failed
			perror("parent fork failed");
			return FORK_FAIL;
			break;
		case  0:	//child process
			if(-1==execvp(send_argv[0],send_argv));
			{
				perror("exec failed");
				return EXEC_FAIL;
			}
			break;
		default:	//parent process
			wait(NULL);
			return OK;
			break;
	}
	//-----------------------------------------------------------
}