Attaches or detaches a drive to or from a remote file system driver (FSD), or a pseudocharacter device name to or from a local or remote FSD.

#define INCL_DOSFILEMGR
#include <os2.h>

PSZ       pszDevice;      /*  Pseudocharacter or spool device name. */
PSZ       pszFilesystem;  /*  Pointer to the remote file-system driver name. */
PVOID     pData;          /*  Pointer to file-system driver or spooler data. */
ULONG     cbData;         /*  The length, in bytes, of pData. */
ULONG     flag;           /*  Type of operation to be performed. */
APIRET    ulrc;           /*  Return Code. */

ulrc = DosFSAttach(pszDevice, pszFilesystem,
         pData, cbData, flag);