fam_next_event() returns the next pending FAM event. The function will block until an event is available which can be checked for using fam_pending().
fam_ext_event() will return an array that contains a FAM event code in element 'code', the path of the file this event applies to in element 'filename' and optionally a hostname in element 'hostname'.
The possible event codes are described in detail in the introduction part of this section.
See also fam_pending().