www.pudn.com > getSystemInfo.rar > getSystemInfo.cpp

#include  
#include  
 
#define BUFSIZE 1024 
 
void main() 
{ 
   LPTSTR lpszSystemInfo;      // pointer to system information string  
   DWORD cchBuff = 256;        // size of computer or user name  
   TCHAR tchBuffer[BUFSIZE];   // buffer for string 
 
   DWORD dwResult;             // function return value 
  
   lpszSystemInfo = tchBuffer;  
  
   // Get and display the name of the computer.  
  
   if( GetComputerName(lpszSystemInfo, &cchBuff) )  
      printf("Computer name:  %s\n", lpszSystemInfo);  
  
   // Get and display the user name.  
  
   if( GetUserName(lpszSystemInfo, &cchBuff) ) 
      printf("User name:  %s\n\n", lpszSystemInfo); 
  
   // Get and display the system directory.  
  
   if( GetSystemDirectory(lpszSystemInfo, MAX_PATH+1) )  
      printf("System directory:  %s\n", lpszSystemInfo);  
 
   // Get and display the Windows directory.  
  
   if( GetWindowsDirectory(lpszSystemInfo, MAX_PATH+1) ) 
      printf("Windows directory:  %s\n\n", lpszSystemInfo); 
  
   // Display the "environment variables" header.  
  
   printf("Environment variables (partial list): \n");  
  
   // Expand the OS environment variable. 
  
   dwResult = ExpandEnvironmentStrings(  
                 "OS=%OS%", 
                 lpszSystemInfo,  
                 BUFSIZE); 
   if( dwResult <= BUFSIZE ) 
      printf("  %s\n", lpszSystemInfo); 
 
  
   // Expand the PATH environment variable.  
  
   dwResult = ExpandEnvironmentStrings(  
                 "PATH=%PATH%",  
                 lpszSystemInfo,  
                 BUFSIZE); 
   if( dwResult <= BUFSIZE ) 
      printf("  %s\n", lpszSystemInfo); 
  
   // Expand the TMP environment variable.  
   
   dwResult = ExpandEnvironmentStrings(  
               "TEMP=%TEMP%", 
               lpszSystemInfo,  
               BUFSIZE); 
   if( dwResult <= BUFSIZE ) 
      printf("  %s\n", lpszSystemInfo); 
}