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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <stdbool.h>
#include <stdio.h>
#include "macro.h"
bool hostname_is_set(void);
char* gethostname_malloc(void);
char* gethostname_short_malloc(void);
int gethostname_strict(char **ret);
bool valid_ldh_char(char c) _const_;
bool hostname_is_valid(const char *s, bool allow_trailing_dot) _pure_;
char* hostname_cleanup(char *s);
#define machine_name_is_valid(s) hostname_is_valid(s, false)
bool is_localhost(const char *hostname);
bool is_gateway_hostname(const char *hostname);
int sethostname_idempotent(const char *s);
int shorten_overlong(const char *s, char **ret);
int read_etc_hostname_stream(FILE *f, char **ret);
int read_etc_hostname(const char *path, char **ret);
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