diff options
Diffstat (limited to 'pcap_loop.3pcap')
| -rw-r--r-- | pcap_loop.3pcap | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/pcap_loop.3pcap b/pcap_loop.3pcap index 0c5952627d10..3f2fe312b572 100644 --- a/pcap_loop.3pcap +++ b/pcap_loop.3pcap @@ -28,17 +28,11 @@ pcap_loop, pcap_dispatch \- process packets from a live capture or savefile .LP .ft B typedef void (*pcap_handler)(u_char *user, const struct pcap_pkthdr *h, -.ti +8 - const u_char *bytes); -.ft -.LP -.ft B + const u_char *bytes); int pcap_loop(pcap_t *p, int cnt, -.ti +8 -pcap_handler callback, u_char *user); + pcap_handler callback, u_char *user); int pcap_dispatch(pcap_t *p, int cnt, -.ti +8 -pcap_handler callback, u_char *user); + pcap_handler callback, u_char *user); .ft .fi .SH DESCRIPTION @@ -94,10 +88,10 @@ but must not rely on it happening. .PP .I callback specifies a -.I pcap_handler +.B pcap_handler routine to be called with three arguments: a -.I u_char +.B u_char pointer which is passed in the .I user argument to @@ -105,16 +99,16 @@ argument to or .BR pcap_dispatch (), a -.I const struct pcap_pkthdr +.B const struct pcap_pkthdr pointer pointing to the packet time stamp and lengths, and a -.I const u_char +.B const u_char pointer to the first .B caplen (as given in the -.I struct pcap_pkthdr +.BR "struct pcap_pkthdr" , a pointer to which is passed to the callback routine) bytes of data from the packet. The -.I struct pcap_pkthdr +.B struct pcap_pkthdr and the packet data are not to be freed by the callback routine, and are not guaranteed to be valid after the callback routine returns; if the code needs them to be valid after the callback, it must make a copy of |