csu3_am335x/EVSE/GPL/libpcap-1.9.0/pcap_snapshot.3pcap

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.TH PCAP_SNAPSHOT 3PCAP "7 April 2014"
.SH NAME
pcap_snapshot \- get the snapshot length
.SH SYNOPSIS
.nf
.ft B
#include <pcap/pcap.h>
.ft
.LP
.ft B
int pcap_snapshot(pcap_t *p);
.ft
.fi
.SH DESCRIPTION
.B pcap_snapshot()
returns the snapshot length specified when
.B pcap_set_snapshot()
or
.B pcap_open_live()
was called, for a live capture, or the snapshot length from the capture
file, for a ``savefile''.
.PP
It must not be called on a pcap descriptor created by
.B pcap_create()
that has not yet been activated by
.BR pcap_activate() .
.SH RETURN VALUE
.B pcap_snapshot()
returns the snapshot length on success and
.B PCAP_ERROR_NOT_ACTIVATED
if called on a capture handle that has been created but not activated.
.SH SEE ALSO
pcap(3PCAP)