ahstat
struct ahstat ahstat;
CTASSERT(sizeof(ahstat) == (ahs_ncounters * sizeof(uint64_t)));
memset(&ahstat, 0, sizeof ahstat);
counters_read(ahcounters, (uint64_t *)&ahstat, ahs_ncounters, NULL);
return (sysctl_rdstruct(oldp, oldlenp, newp, &ahstat, sizeof(ahstat)));
struct ahstat ahstat;
size_t len = sizeof(ahstat);
&ahstat, &len, NULL, 0) == -1) {
#define p(f, m) if (ahstat.f || sflag <= 1) \
printf(m, ahstat.f, plural(ahstat.f))
#define p1(f, m) if (ahstat.f || sflag <= 1) \
printf(m, ahstat.f)