.\"determine how the current function was called
.TH origin 3

.SH NAME
origin() - determine how the current function was called

.SH SYNOPSIS
int origin();

.SH DESCRIPTION
Returns an integer specifying how the current function was called.  Current
values are 1 for the driver (heart_beat, call_out, etc), 2 for a local
function call, and 4 for a call_other().

.SH SEE ALSO
previous_object(3).