prison_check9
Determine if two credentials belong to the same jail
Usage
#include <sys/jail.h>
int
prison_check(struct ucred *cred1, struct ucred *cred2);
Overview
This function can be used to determine if the two credentials cred1 and cred2 belong to the same jail.
Return values
The prison_check() function returns ESRCH if cred1 has been jailed, and cred1 and cred2 do not belong to the same jail. In all other cases, prison_check() returns zero.