ulrc (APIRET) - returns

Return Code.

DosOpen returns one of the following values:

• NO_ERROR
  
• ERROR_FILE_NOT_FOUND
  
• ERROR_PATH_NOT_FOUND
  
• ERROR_TOO_MANY_OPEN_FILES
  
• ERROR_ACCESS_DENIED
  12
  ERROR_INVALID_ACCESS
  26
  ERROR_NOT_DOS_DISK
  32
  ERROR_SHARING_VIOLATION
  36
  ERROR_SHARING_BUFFER_EXCEEDED
  82
  ERROR_CANNOT_MAKE
  87
  ERROR_INVALID_PARAMETER
  99
  ERROR_DEVICE_IN_USE
  108
  ERROR_DRIVE_LOCKED
  110
  ERROR_OPEN_FAILED
  112
  ERROR_DISK_FULL
  206
  ERROR_FILENAME_EXCED_RANGE
  231
  ERROR_PIPE_BUSY
  For a full list of error codes, see Errors.