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2PCAP_SET_TSTAMP_PRECISION(3PCAP) PCAP_SET_TSTAMP_PRECISION(3PCAP)
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7 pcap_set_tstamp_precision - set the time stamp precision returned in
8 captures
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11 #include <pcap/pcap.h>
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13 int pcap_set_tstamp_precision(pcap_t *p, int tstamp_precision);
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16 pcap_set_tstamp_precision() sets the precision of the time stamp
17 desired for packets captured on the pcap descriptor to the type speci‐
18 fied by tstamp_precision. It must be called on a pcap descriptor cre‐
19 ated by pcap_create() that has not yet been activated by pcap_acti‐
20 vate(). Two time stamp precisions are supported, microseconds and
21 nanoseconds. One can use options PCAP_TSTAMP_PRECISION_MICRO and
22 PCAP_TSTAMP_PRECISION_NANO to request desired precision. By default,
23 time stamps are in microseconds.
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26 pcap_set_tstamp_precision() returns 0 on success if the specified time
27 stamp precision is expected to be supported by the operating system,
28 PCAP_ERROR_TSTAMP_PRECISION_NOTSUP if operating system does not support
29 requested time stamp precision, PCAP_ERROR_ACTIVATED if called on a
30 capture handle that has been activated.
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33 pcap(3PCAP), pcap_get_tstamp_precision(3PCAP), pcap-tstamp(7)
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37 5 February 2015PCAP_SET_TSTAMP_PRECISION(3PCAP)