prison_check(9)
determine if two credentials belong to the same jail
SYNOPSIS
In sys/jail.h
Ft int
Fn prison_check struct ucred *cred1 struct ucred *cred2
DESCRIPTION
This function can be used to determine if the two credentials
Fa cred1
and
Fa cred2
belong to the same jail.
RETURN VALUES
The
Fn prison_check
function
returns
Er ESRCH
if
Fa cred1
has been jailed, and
Fa cred1
and
Fa cred2
do not belong to the same jail.
In all other cases,
Fn prison_check
returns zero.