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.TH PCAP_SET_TSTAMP_TYPE 3PCAP "5 December 2014"
.SH NAME
pcap_set_tstamp_type \- set the time stamp type to be used by a
capture device
.SH SYNOPSIS
.nf
.ft B
#include <pcap/pcap.h>
.ft
.LP
.ft B
int pcap_set_tstamp_type(pcap_t *p, int tstamp_type);
.ft
.fi
.SH DESCRIPTION
.B pcap_set_tstamp_type()
sets the type of time stamp desired for packets captured on the pcap
descriptor to the type specified by
.IR tstamp_type .
It must be called on a pcap descriptor created by
.B pcap_create()
that has not yet been activated by
.BR pcap_activate() .
.B pcap_list_tstamp_types()
will give a list of the time stamp types supported by a given capture
device.
See
.BR pcap-tstamp (7)
for a list of all the time stamp types.
.SH RETURN VALUE
.B pcap_set_tstamp_type()
returns 0 on success if the specified time stamp type is expected to be
supported by the capture device,
.B PCAP_WARNING_TSTAMP_TYPE_NOTSUP
if the specified time stamp type is not supported by the
capture device,
.B PCAP_ERROR_ACTIVATED
if called on a capture handle that has been activated, and
.B PCAP_ERROR_CANTSET_TSTAMP_TYPE
if the capture device doesn't support setting the time stamp type.
.SH SEE ALSO
pcap(3PCAP),
pcap_list_tstamp_types(3PCAP),
pcap_tstamp_type_name_to_val(3PCAP),
pcap-tstamp(7)