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Elliott Hughes | 965a4b5 | 2017-05-15 10:37:39 -0700 | [diff] [blame] | 20 | .TH PCAP_SET_DATALINK 3PCAP "3 January 2014" |
JP Abgrall | 511eca3 | 2014-02-12 13:46:45 -0800 | [diff] [blame] | 21 | .SH NAME |
| 22 | pcap_set_datalink \- set the link-layer header type to be used by a |
| 23 | capture device |
| 24 | .SH SYNOPSIS |
| 25 | .nf |
| 26 | .ft B |
| 27 | #include <pcap/pcap.h> |
| 28 | .ft |
| 29 | .LP |
| 30 | .ft B |
| 31 | int pcap_set_datalink(pcap_t *p, int dlt); |
| 32 | .ft |
| 33 | .fi |
| 34 | .SH DESCRIPTION |
| 35 | .B pcap_set_datalink() |
| 36 | is used to set the current link-layer header type of the pcap descriptor |
| 37 | to the type specified by |
| 38 | .IR dlt . |
| 39 | .SH RETURN VALUE |
| 40 | .B pcap_set_datalink() |
| 41 | returns 0 on success and \-1 on failure. |
| 42 | If \-1 is returned, |
| 43 | .B pcap_geterr() |
| 44 | or |
| 45 | .B pcap_perror() |
| 46 | may be called with |
| 47 | .I p |
| 48 | as an argument to fetch or display the error text. |
| 49 | .SH SEE ALSO |
| 50 | pcap(3PCAP), pcap_geterr(3PCAP), |
| 51 | pcap_datalink_name_to_val(3PCAP) |