Nota
L'accesso a questa pagina richiede l'autorizzazione. È possibile provare ad accedere o modificare le directory.
L'accesso a questa pagina richiede l'autorizzazione. È possibile provare a modificare le directory.
Gets the current disk drive.
Important
This API cannot be used in applications that execute in the Windows Runtime. For more information, see CRT functions not supported with /ZW.
int _getdrive( void );
Return Value
Returns the current (default) drive (1=A, 2=B, and so on). There is no error return.
Requirements
Routine |
Required header |
|---|---|
_getdrive |
<direct.h> |
For more compatibility information, see Compatibility.
Example
// crt_getdrive.c
// compile with: /c
// Illustrates drive functions including:
// _getdrive _chdrive _getdcwd
//
#include <stdio.h>
#include <direct.h>
#include <stdlib.h>
#include <ctype.h>
int main( void )
{
int ch, drive, curdrive;
static char path[_MAX_PATH];
// Save current drive.
curdrive = _getdrive();
printf( "Available drives are:\n" );
// If we can switch to the drive, it exists.
for( drive = 1; drive <= 26; drive++ )
{
if( !_chdrive( drive ) )
{
printf( "%c:", drive + 'A' - 1 );
if( _getdcwd( drive, path, _MAX_PATH ) != NULL )
printf( " (Current directory is %s)", path );
putchar( '\n' );
}
}
// Restore original drive.
_chdrive( curdrive );
}
Available drives are: A: (Current directory is A:\) C: (Current directory is C:\) E: (Current directory is E:\testdir\bin) F: (Current directory is F:\) G: (Current directory is G:\)
.NET Framework Equivalent
System::Environment::CurrentDirectory