LOADFON

  .  Summary

  int loadfon(str <filename>);

  .  Description

  The loadfon function loads the given dialing directory file. The
  complete name must be given, including any extension (e.g. .FON) or
  the disk drive/directory if the file is not in the current di-
  rectory.

  .  Return Value

  A non-zero (TRUE) value is returned if the dialing directory file is
  successfully loaded. If some sort of error occurs (file does not ex-
  ist, file reading error, etc.) a zero (FALSE) value is returned.