/usr/include/lo/lo_macros.h is in liblo-dev 0.26~repack-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2004 Steve Harris
*
* This program 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.
*
* This program 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.
*
* $Id$
*/
#ifndef LO_MACROS_H
#define LO_MACROS_H
/* macros that have to be defined after function signatures */
#ifdef __cplusplus
extern "C" {
#endif
/* \brief Maximum length of UDP messages in bytes
*/
#define LO_MAX_MSG_SIZE 32768
/* \brief A set of macros to represent different communications transports
*/
#define LO_DEFAULT 0x0
#define LO_UDP 0x1
#define LO_UNIX 0x2
#define LO_TCP 0x4
/* an internal value, ignored in transmission but check against LO_MARKER in the
* argument list. Used to do primitive bounds checking */
#define LO_MARKER_A 0xdeadbeef
#define LO_MARKER_B 0xf00baa23
#define LO_ARGS_END LO_MARKER_A, LO_MARKER_B
#define lo_message_add_varargs(msg, types, list) \
lo_message_add_varargs_internal(msg, types, list, __FILE__, __LINE__)
#ifdef __GNUC__
#define lo_message_add(msg, types...) \
lo_message_add_internal(msg, __FILE__, __LINE__, types, \
LO_MARKER_A, LO_MARKER_B)
#define lo_send(targ, path, types...) \
lo_send_internal(targ, __FILE__, __LINE__, path, types, \
LO_MARKER_A, LO_MARKER_B)
#define lo_send_timestamped(targ, ts, path, types...) \
lo_send_timestamped_internal(targ, __FILE__, __LINE__, ts, path, \
types, LO_MARKER_A, LO_MARKER_B)
#define lo_send_from(targ, from, ts, path, types...) \
lo_send_from_internal(targ, from, __FILE__, __LINE__, ts, path, \
types, LO_MARKER_A, LO_MARKER_B)
#else
/* In non-GCC compilers, there is no support for variable-argument
* macros, so provide "internal" vararg functions directly instead. */
int lo_message_add(lo_message msg, const char *types, ...);
int lo_send(lo_address targ, const char *path, const char *types, ...);
int lo_send_timestamped(lo_address targ, lo_timetag ts, const char *path, const char *types, ...);
int lo_send_from(lo_address targ, lo_server from, lo_timetag ts, const char *path, const char *types, ...);
#endif
#ifdef __cplusplus
}
#endif
#endif
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