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.