NAME

     prison_check — determine if two credentials belong to the same jail

SYNOPSIS

     #include <sys/jail.h>

     int
     prison_check(struct ucred *cred1, struct ucred *cred2);

DESCRIPTION

     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.

SEE ALSO

     jail(2)