DosMkDir

This call creates a subdirectory.

DosMkDir

(DirName, Reserved)

DirName (PSZ) - input

Address of the ASCIIZ directory path name, which may or may not include a drive specification. If no drive is specified, the current drive is assumed.

DosQSysInfo is called by an application during initialization to determine the maximum path length allowed by OS/2.

Reserved (ULONG) - input
Reserved and must be set to zero.
rc (USHORT) - return
Return code descriptions are:
• NO_ERROR 3
  ERROR_PATH_NOT_FOUND
  5
  ERROR_ACCESS_DENIED
  26
  ERROR_NOT_DOS_DISK
  87
  ERROR_INVALID_PARAMETER
  108
  ERROR_DRIVE_LOCKED
  206
  ERROR_FILENAME_EXCED_RANGE
  Remarks

  If any subdirectory names in the path do not exist, the subdirectory is not created. Upon return, a subdirectory is created at the end of the specified path.

  DosQSysInfo must be used by an application to determine the maximum path length supported by OS/2. The returned value should be used to dynamically allocate buffers that are to be used to store paths.

  If a program running with the NEWFILES bit set tries to create a directory with blanks immediately preceding the dot on a FAT drive, the system rejects the name. For example, if c: is a FAT drive, the name "file .txt" is rejected and the name "file.txt" is accepted.

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