/usr/include/avahi-client/client.h is in libavahi-client-dev 0.6.32~rc+dfsg-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 | #ifndef fooclienthfoo
#define fooclienthfoo
/***
This file is part of avahi.
avahi 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.
avahi 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 avahi; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#include <inttypes.h>
#include <avahi-common/cdecl.h>
#include <avahi-common/address.h>
#include <avahi-common/strlst.h>
#include <avahi-common/defs.h>
#include <avahi-common/watch.h>
#include <avahi-common/gccmacro.h>
/** \file client.h Definitions and functions for the client API over D-Bus */
AVAHI_C_DECL_BEGIN
/** A connection context */
typedef struct AvahiClient AvahiClient;
/** States of a client object, a superset of AvahiServerState */
typedef enum {
AVAHI_CLIENT_S_REGISTERING = AVAHI_SERVER_REGISTERING, /**< Server state: REGISTERING */
AVAHI_CLIENT_S_RUNNING = AVAHI_SERVER_RUNNING, /**< Server state: RUNNING */
AVAHI_CLIENT_S_COLLISION = AVAHI_SERVER_COLLISION, /**< Server state: COLLISION */
AVAHI_CLIENT_FAILURE = 100, /**< Some kind of error happened on the client side */
AVAHI_CLIENT_CONNECTING = 101 /**< We're still connecting. This state is only entered when AVAHI_CLIENT_NO_FAIL has been passed to avahi_client_new() and the daemon is not yet available. */
} AvahiClientState;
typedef enum {
AVAHI_CLIENT_IGNORE_USER_CONFIG = 1, /**< Don't read user configuration */
AVAHI_CLIENT_NO_FAIL = 2 /**< Don't fail if the daemon is not available when avahi_client_new() is called, instead enter AVAHI_CLIENT_CONNECTING state and wait for the daemon to appear */
} AvahiClientFlags;
/** The function prototype for the callback of an AvahiClient */
typedef void (*AvahiClientCallback) (
AvahiClient *s,
AvahiClientState state /**< The new state of the client */,
void* userdata /**< The user data that was passed to avahi_client_new() */);
/** @{ \name Construction and destruction */
/** Creates a new client instance */
AvahiClient* avahi_client_new (
const AvahiPoll *poll_api /**< The abstract event loop API to use */,
AvahiClientFlags flags /**< Some flags to modify the behaviour of the client library */,
AvahiClientCallback callback /**< A callback that is called whenever the state of the client changes. This may be NULL. Please note that this function is called for the first time from within the avahi_client_new() context! Thus, in the callback you should not make use of global variables that are initialized only after your call to avahi_client_new(). A common mistake is to store the AvahiClient pointer returned by avahi_client_new() in a global variable and assume that this global variable already contains the valid pointer when the callback is called for the first time. A work-around for this is to always use the AvahiClient pointer passed to the callback function instead of the global pointer. */,
void *userdata /**< Some arbitrary user data pointer that will be passed to the callback function */,
int *error /**< If creation of the client fails, this integer will contain the error cause. May be NULL if you aren't interested in the reason why avahi_client_new() failed. */);
/** Free a client instance. This will automatically free all
* associated browser, resolve and entry group objects. All pointers
* to such objects become invalid! */
void avahi_client_free(AvahiClient *client);
/** @} */
/** @{ \name Properties */
/** Get the version of the server */
const char* avahi_client_get_version_string (AvahiClient*);
/** Get host name */
const char* avahi_client_get_host_name (AvahiClient*);
/** Set host name. \since 0.6.13 */
int avahi_client_set_host_name(AvahiClient*, const char *name);
/** Get domain name */
const char* avahi_client_get_domain_name (AvahiClient*);
/** Get FQDN domain name */
const char* avahi_client_get_host_name_fqdn (AvahiClient*);
/** Get state */
AvahiClientState avahi_client_get_state(AvahiClient *client);
/** @{ \name Error Handling */
/** Get the last error number. See avahi_strerror() for converting this error code into a human readable string. */
int avahi_client_errno (AvahiClient*);
/** @} */
/** \cond fulldocs */
/** Return the local service cookie. returns AVAHI_SERVICE_COOKIE_INVALID on failure. */
uint32_t avahi_client_get_local_service_cookie(AvahiClient *client);
/** \endcond */
/** @{ \name Libc NSS Support */
/** Return 1 if gethostbyname() supports mDNS lookups, 0 otherwise. \since 0.6.5 */
int avahi_nss_support(void);
/** @} */
AVAHI_C_DECL_END
#endif
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