iff_find
if (iff_find(ifcp, IFIL_TYPE_N) != NULL)
static struct iff *iff_find(struct ifc *, int);
if (iff_find(ifcp, IFIL_TYPE_N) != NULL)
(iff_find(ifcp, IFIL_TYPE_N) == NULL))
if (iff_find(ifcp, IFIL_TYPE_N) != NULL)
if (iff_find(ifcp, IFIL_TYPE_N) != NULL)
if (iff_find(ifcp, IFIL_TYPE_T) != NULL) {
if (iff_find(ifcp, IFIL_TYPE_O) != NULL) {