[Asterisk-Dev] Two underscores

[Kevin P. Fleming]

José Pablo Ezequiel Fernández wrote:

> I am reading chan_sip.c and I noticed some functions have a name that start 
> with two underscores "__". I imagine this is some kind of internal 
> convention, what does it mean ?

It's actually fairly common: it means this is an 'internal' function 
that should not be used unless you know exactly why you need it instead 
of its external version.