<dec f='src/src/sys/netipsec/key.h' l='50' type='int key_havesp(u_int dir)'/>
<use f='src/src/sys/netipsec/ipsec.c' l='678' u='c' c='ipsec_getpolicybyaddr'/>
<def f='src/src/sys/netipsec/key.c' l='579' ll='584' type='int key_havesp(u_int dir)'/>
<doc f='src/src/sys/netipsec/key.c' l='574'>/*
 * Return 0 when there are known to be no SP&apos;s for the specified
 * direction.  Otherwise return 1.  This is used by IPsec code
 * to optimize performance.
 */</doc>
