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author | Cameron Katri <me@cameronkatri.com> | 2021-05-10 14:55:20 -0400 |
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committer | Cameron Katri <me@cameronkatri.com> | 2021-05-10 14:55:20 -0400 |
commit | d88d199f23088ac1c3d7696374b0a1c1c1c18358 (patch) | |
tree | 977307e478f76c5de5ca141268cf8ce0309a09eb /lib/libpcap/libpcap/pcap_lookupnet.3pcap | |
parent | 5fd83771641d15c418f747bd343ba6738d3875f7 (diff) | |
download | apple_cmds-d88d199f23088ac1c3d7696374b0a1c1c1c18358.tar.gz apple_cmds-d88d199f23088ac1c3d7696374b0a1c1c1c18358.tar.zst apple_cmds-d88d199f23088ac1c3d7696374b0a1c1c1c18358.zip |
libpcap-98.40.1
Diffstat (limited to 'lib/libpcap/libpcap/pcap_lookupnet.3pcap')
-rw-r--r-- | lib/libpcap/libpcap/pcap_lookupnet.3pcap | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/libpcap/libpcap/pcap_lookupnet.3pcap b/lib/libpcap/libpcap/pcap_lookupnet.3pcap new file mode 100644 index 0000000..f609445 --- /dev/null +++ b/lib/libpcap/libpcap/pcap_lookupnet.3pcap @@ -0,0 +1,66 @@ +.\" Copyright (c) 1994, 1996, 1997 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that: (1) source code distributions +.\" retain the above copyright notice and this paragraph in its entirety, (2) +.\" distributions including binary code include the above copyright notice and +.\" this paragraph in its entirety in the documentation or other materials +.\" provided with the distribution, and (3) all advertising materials mentioning +.\" features or use of this software display the following acknowledgement: +.\" ``This product includes software developed by the University of California, +.\" Lawrence Berkeley Laboratory and its contributors.'' Neither the name of +.\" the University nor the names of its contributors may be used to endorse +.\" or promote products derived from this software without specific prior +.\" written permission. +.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED +.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF +.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +.\" +.TH PCAP_LOOKUPNET 3PCAP "25 July 2018" +.SH NAME +pcap_lookupnet \- find the IPv4 network number and netmask for a device +.SH SYNOPSIS +.nf +.ft B +#include <pcap/pcap.h> +.ft +.LP +.nf +.ft B +char errbuf[PCAP_ERRBUF_SIZE]; +.ft +.LP +.ft B +int pcap_lookupnet(const char *device, bpf_u_int32 *netp, +.ti +8 +bpf_u_int32 *maskp, char *errbuf); +.ft +.fi +.SH DESCRIPTION +.B pcap_lookupnet() +is used to determine the IPv4 network number and mask +associated with the network device +.IR device . +Both +.I netp +and +.I maskp +are +.I bpf_u_int32 +pointers. +.SH RETURN VALUE +.B pcap_lookupnet() +returns 0 on success and +.B PCAP_ERROR +on failure. If +.B PCAP_ERROR +is returned, +.I errbuf +is filled in with an appropriate error message. +.I errbuf +is assumed to be able to hold at least +.B PCAP_ERRBUF_SIZE +chars. +.SH SEE ALSO +pcap(3PCAP) |