PCAP_SET_SNAPLEN(3) Library Functions Manual PCAP_SET_SNAPLEN(3)NAME
pcap_set_snaplen - set the snapshot length for a not-yet-activated capture handle
int pcap_set_snaplen(pcap_t *p, int snaplen);
pcap_set_snaplen() sets the snapshot length to be used on a capture handle when the handle is activated to snaplen.
pcap_set_snaplen() returns 0 on success or PCAP_ERROR_ACTIVATED if called on a capture handle that has been activated.
SEE ALSO pcap(3), pcap_create(3), pcap_activate(3)
5 April 2008 PCAP_SET_SNAPLEN(3)
Check Out this Related Man Page
pcap_can_set_rfmon - check whether monitor mode can be set for a not-yet-activated capture handle
int pcap_can_set_rfmon(pcap_t *p);
pcap_can_set_rfmon() checks whether monitor mode could be set on a capture handle when the handle is activated.
pcap_can_set_rfmon() returns 0 if monitor mode could not be set, 1 if monitor mode could be set, PCAP_ERROR_NO_SUCH_DEVICE if the capture
source specified when the handle was created doesn't exist, PCAP_ERROR_PERM_DENIED if the process doesn't have permission to check whether
monitor mode could be supported, PCAP_ERROR_ACTIVATED if called on a capture handle that has been activated, or PCAP_ERROR if an error
occurred. If PCAP_ERROR is returned, pcap_geterr() or pcap_perror() may be called with p as an argument to fetch or display the error
SEE ALSO pcap(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP), pcap_set_rfmon(3PCAP)
18 May 2010 PCAP_CAN_SET_RFMON(3PCAP)
I have seen some misinformation regarding Unix file permissions. I will try to set the record straight. Take a look at this example of some output from ls:
$ ls -ld /usr/bin /usr/bin/cat
drwxrwxr-x 3 root bin 8704 Sep 23 2004 /usr/bin
-r-xr-xr-x 1 bin bin ... (6 Replies)
I have a file which looks roughly like this:
and would like to sort it numerically on the first field. I tried:
sort -nr --key=1 ....
The output I get is:
9964 ... (3 Replies)
Suppose I have a main() function with only one malloc statement allocating say some 1 gb memory. Also say my system has 1 gb of ram.
The program above exits without freeing the memory.
In this case will the 1 gb of heap memory be returned... (9 Replies)
I'm trying to install a PGX32 video card on my Sparc 10 Ultra running Solaris 10.
I've got the Oracle installation guide for it and I got as far as:
"4. Insert the CD-ROM labeled “GFX OpenWindows for Solaris 2” into the drive."
I don't have a CD-ROM by that name and a web search for that... (21 Replies)
I'm writing a short script to check if a continuous port is running on a server.
I'm using "ps -ef | grep -v grep | grep processName" and I was wondering if it was better/more reliable to just check the
return code from the command or if its better to pipe to... (12 Replies)
I installed NetBSD 6.1.2 amd64 and can't find the apm utility. Is it not in the base system?
Is it necessary to recompile the default amd64 kernel to use apm?
Or is there a new method for power management and suspend/resume? (2 Replies)
I am learning shell scripting for the first time. I use AT&T Korn Shell, Version AJM 93u+ 2012-08-01, compiled from source on NetBSD.
So far I have managed to set up what I think is a useful and pleasing shell prompt, which can be seen in the image attached to this post.
The prompt is... (2 Replies)
Hey gang, I have a list of times I need to sum up. This list can vary from a few to a few thousand entries. Now I had found a closed reference to adding time titled "add up time with xx:yy format in bash how?" In it, the example works great for that formatted list of times... This is the reply code... (5 Replies)
Usually when I on the evening go to bed I take some interesting book with me. I read it for a while to get me down to sleep. Probably most people seek information from the Nett by googleing but I am so oldfashioned I prefer a real book ;)
But what a book. The one I found and ordered is BSD Unix®... (0 Replies)
On the late 1960s I got short hands on experience with a russian "small" computer. It vas a copy of DEC's VAX ... and running some version of BSD-Unix. After that I worked in a university following the development of computing. After retire I started collecting old pc's and installing... (13 Replies)