TCPDUMP_MAGIC
if (hdr.magic != TCPDUMP_MAGIC) {
if (SWAPLONG(hdr.magic) != TCPDUMP_MAGIC) {
hdr.magic = TCPDUMP_MAGIC;
sf_hdr.magic = TCPDUMP_MAGIC;
hdr.magic = TCPDUMP_MAGIC;
if (hdr.magic != TCPDUMP_MAGIC ||
if (hdr.magic != TCPDUMP_MAGIC) {
if (swap32(hdr.magic) != TCPDUMP_MAGIC) {
hdr.magic = TCPDUMP_MAGIC;