/usr/include/clif.h is in traceroute 1:2.0.21-1.
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) 2000, 2003 Dmitry Butskoy
<buc@citadel.stu.neva.ru>
License: LGPL v2.1 or any later
See COPYING.LIB for the status of this software.
*/
#ifndef _CLIF_H
#define _CLIF_H
typedef struct CLIF_option_struct CLIF_option;
struct CLIF_option_struct {
const char *short_opt;
const char *long_opt;
const char *arg_name;
const char *help_string;
int (*function) (CLIF_option *optn, char *arg);
void *data;
int (*function_plus) (CLIF_option *optn, char *arg);
unsigned int flags;
};
#define CLIF_END_OPTION { 0, 0, 0, 0, 0, 0, 0, 0 }
typedef struct CLIF_argument_struct CLIF_argument;
struct CLIF_argument_struct {
const char *name;
const char *help_string;
int (*function) (CLIF_argument *argm, char *arg, int index);
void *data;
unsigned int flags;
};
#define CLIF_END_ARGUMENT { 0, 0, 0, 0, 0 }
/* Argument flag bits. */
#define CLIF_MORE (0x01) /* null or several */
#define CLIF_STRICT (0x02) /* arg must be present */
#define CLIF_ACC_PREV (0x04) /* arg must be accompanied with previous */
/* Option flag bits. */
/* affected only by per-option flags */
#define CLIF_EXTRA (0x0001) /* don`t show in usage line */
#define CLIF_EXIT (0x0002) /* exit after handler return */
#define CLIF_EXCL (0x0004) /* at exclusive area */
/* affected by per-option flags and by common `parse_flags' argument
of CLIF_parse_cmdline(). In last case appropriate bits are translated
for all the options.
*/
#define CLIF_MAY_JOIN_ARG (0x0010)
#define _CLIF_STRICT_JOIN_ARG (0x0020)
#define CLIF_JOIN_ARG (CLIF_MAY_JOIN_ARG|_CLIF_STRICT_JOIN_ARG)
#define CLIF_MAY_NOEQUAL (0x0040)
#define _CLIF_STRICT_NOEQUAL (0x0080)
#define CLIF_NOEQUAL (CLIF_MAY_NOEQUAL|_CLIF_STRICT_NOEQUAL)
#define CLIF_MAY_KEYWORD (0x0100)
#define _CLIF_STRICT_KEYWORD (0x0200)
#define CLIF_KEYWORD (CLIF_MAY_KEYWORD|_CLIF_STRICT_KEYWORD)
#define CLIF_MAY_ONEDASH (0x0400)
#define _CLIF_STRICT_ONEDASH (0x0800)
#define CLIF_ONEDASH (CLIF_MAY_ONEDASH|_CLIF_STRICT_ONEDASH)
#define CLIF_OPTARG (0x1000) /* allow missing optarg */
#define CLIF_ABBREV (0x2000) /* allow long opt abbreviation */
#define CLIF_SEVERAL (0x4000) /* several args in one opt`s arg */
/* affected only by common `parse_flags' arg of CLIF_parse_cmdline() . */
#define CLIF_HELP_EMPTY (0x10000) /* print help on empty cmdline */
#define CLIF_POSIX (0x20000) /* follow POSIX standard */
#define CLIF_FIRST_GROUP (0x40000) /* first arg - options` group */
#define CLIF_STRICT_EXCL (0x80000) /* at least one exclusive */
#define CLIF_SILENT (0x100000) /* no errors on stderr */
#define CLIF_MIN_ABBREV 2 /* a minimal match length in abbrev */
extern int CLIF_parse (int argc, char **argv, CLIF_option *option_list,
CLIF_argument *arg_list, unsigned int parse_flags);
/* history compatibility... */
#define CLIF_parse_cmdline(ARGC,ARGV,OPTN,ARGS,FLAGS) \
CLIF_parse (ARGC, ARGV, OPTN, ARGS, FLAGS)
extern void CLIF_print_options (const char *header,
const CLIF_option *option_list);
extern void CLIF_print_arguments (const char *header,
const CLIF_argument *argument_list);
extern void CLIF_print_usage (const char *header, const char *progname,
const CLIF_option *option_list,
const CLIF_argument *argument_list);
extern int CLIF_current_help (void);
/* Common useful option handlers. */
extern int CLIF_version_handler (CLIF_option *optn, char *arg);
extern int CLIF_set_flag (CLIF_option *optn, char *arg);
extern int CLIF_unset_flag (CLIF_option *optn, char *arg);
extern int CLIF_set_string (CLIF_option *optn, char *arg);
extern int CLIF_set_int (CLIF_option *optn, char *arg);
extern int CLIF_set_uint (CLIF_option *optn, char *arg);
extern int CLIF_set_double (CLIF_option *optn, char *arg);
extern int CLIF_call_func (CLIF_option *optn, char *arg);
extern int CLIF_arg_string (CLIF_argument *argm, char *arg, int index);
extern int CLIF_arg_int (CLIF_argument *argm, char *arg, int index);
extern int CLIF_arg_uint (CLIF_argument *argm, char *arg, int index);
extern int CLIF_arg_double (CLIF_argument *argm, char *arg, int index);
extern int CLIF_arg_func (CLIF_argument *argm, char *arg, int index);
/* Some useful macros. */
#define CLIF_HELP_OPTION \
{ 0, "help", 0, "Read this help and exit", \
CLIF_call_func, CLIF_current_help, 0, CLIF_EXTRA | CLIF_EXIT }
#define CLIF_VERSION_OPTION(STR) \
{ "V", "version", 0, "Print version info and exit", \
CLIF_version_handler, STR, 0, CLIF_EXTRA | CLIF_EXIT }
#endif /* _CLIF_H */
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