/* String formatting functions for NSS- and DNS-related data. Copyright (C) 2016-2026 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #ifndef SUPPORT_FORMAT_NSS_H #define SUPPORT_FORMAT_NSS_H #include #include __BEGIN_DECLS struct addrinfo; struct aliasent; struct ether_addr; struct group; struct hostent; struct netent; struct passwd; struct protoent; struct rpcent; struct servent; struct sgrp; struct spwd; /* The following functions format their arguments as human-readable strings (which can span multiple lines). The caller must free the returned buffer. For NULL pointers or failure status arguments, error variables such as h_errno and errno are included in the result. */ char *support_format_address_family (int); char *support_format_addrinfo (const struct addrinfo *, int ret); char *support_format_aliasent (const struct aliasent *); char *support_format_dns_packet (const unsigned char *buffer, size_t length); char *support_format_ether_addr (const struct ether_addr *); char *support_format_group (const struct group *); char *support_format_herrno (int); char *support_format_hostent (const struct hostent *); char *support_format_netent (const struct netent *); char *support_format_passwd (const struct passwd *); char *support_format_protoent (const struct protoent *); char *support_format_rpcent (const struct rpcent *); char *support_format_servent (const struct servent *); char *support_format_sgrp (const struct sgrp *); char *support_format_spwd (const struct spwd *); __END_DECLS #endif /* SUPPORT_FORMAT_NSS_H */