ifaddr.h

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/*-------------------------------------------------------------------------
 *
 * ifaddr.h
 *    IP netmask calculations, and enumerating network interfaces.
 *
 * Copyright (c) 2003-2025, PostgreSQL Global Development Group
 *
 * src/include/libpq/ifaddr.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef IFADDR_H
#define IFADDR_H
 
#include "libpq/pqcomm.h"
 
typedef void (*PgIfAddrCallback) (struct sockaddr *addr,
                                  struct sockaddr *netmask,
                                  void *cb_data);
 
extern int  pg_range_sockaddr(const struct sockaddr_storage *addr,
                              const struct sockaddr_storage *netaddr,
                              const struct sockaddr_storage *netmask);
 
extern int  pg_sockaddr_cidr_mask(struct sockaddr_storage *mask,
                                  char *numbits, int family);
 
extern int  pg_foreach_ifaddr(PgIfAddrCallback callback, void *cb_data);
 
#endif                          /* IFADDR_H */