/usr/include/re/re_net.h is in libre-dev 0.5.6-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | /**
* @file re_net.h Interface to Networking module.
*
* Copyright (C) 2010 Creytiv.com
*/
#ifdef CYGWIN
#include <ws2tcpip.h>
#include <winsock2.h>
#elif defined(WIN32)
#include <winsock2.h>
#include <ws2tcpip.h>
#else
#include <sys/types.h>
#ifndef _BSD_SOCKLEN_T_
#define _BSD_SOCKLEN_T_ int /**< Defines the BSD socket length type */
#endif
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#endif
#ifndef HAVE_GAI_STRERROR
/** stub */
#ifndef gai_strerror
#define gai_strerror(err) "?"
#endif
#endif
/** Length of IPv4 address string */
#ifndef INET_ADDRSTRLEN
#define INET_ADDRSTRLEN 16
#endif
/** Length of IPv6 address string */
#ifndef INET6_ADDRSTRLEN
#define INET6_ADDRSTRLEN 46
#endif
/** Length of IPv4/v6 address string */
#ifdef HAVE_INET6
#define NET_ADDRSTRLEN INET6_ADDRSTRLEN
#else
#define NET_ADDRSTRLEN INET_ADDRSTRLEN
#endif
/* forward declarations */
struct sa;
/* Net generic */
int net_hostaddr(int af, struct sa *ip);
int net_default_source_addr_get(int af, struct sa *ip);
int net_default_gateway_get(int af, struct sa *gw);
/* Net sockets */
int net_sock_init(void);
void net_sock_close(void);
/* Net socket options */
int net_sockopt_blocking_set(int fd, bool blocking);
int net_sockopt_reuse_set(int fd, bool reuse);
/* Net interface (if.c) */
/**
* Defines the interface address handler - called once per interface
*
* @param ifname Name of the interface
* @param sa IP address of the interface
* @param arg Handler argument
*
* @return true to stop traversing, false to continue
*/
typedef bool (net_ifaddr_h)(const char *ifname, const struct sa *sa,
void *arg);
int net_if_getname(char *ifname, size_t sz, int af, const struct sa *ip);
int net_if_getaddr(const char *ifname, int af, struct sa *ip);
int net_if_getaddr4(const char *ifname, int af, struct sa *ip);
int net_if_list(net_ifaddr_h *ifh, void *arg);
int net_if_apply(net_ifaddr_h *ifh, void *arg);
int net_if_debug(struct re_printf *pf, void *unused);
int net_if_getlinklocal(const char *ifname, int af, struct sa *ip);
/* Net interface (ifaddrs.c) */
int net_getifaddrs(net_ifaddr_h *ifh, void *arg);
/* Net route */
/**
* Defines the routing table handler - called once per route entry
*
* @param ifname Interface name
* @param dst Destination IP address/network
* @param dstlen Prefix length of destination
* @param gw Gateway IP address
* @param arg Handler argument
*
* @return true to stop traversing, false to continue
*/
typedef bool (net_rt_h)(const char *ifname, const struct sa *dst,
int dstlen, const struct sa *gw, void *arg);
int net_rt_list(net_rt_h *rth, void *arg);
int net_rt_default_get(int af, char *ifname, size_t size);
int net_rt_debug(struct re_printf *pf, void *unused);
/* Network connection */
/**
* Defines the network connection handler
*
* @param err Error code
* @param id Associated ID
*/
typedef void (net_conn_h)(int err, uint32_t id);
int net_conn_start(net_conn_h *ch, uint32_t id, bool prompt);
void net_conn_stop(void);
/* Net strings */
const char *net_proto2name(int proto);
const char *net_af2name(int af);
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