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315 lines
14 KiB
C
315 lines
14 KiB
C
/*******************************************************************************
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* argtable3: Declares the main interfaces of the library
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*
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* This file is part of the argtable3 library.
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*
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* Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann
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* <sheitmann@users.sourceforge.net>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of STEWART HEITMANN nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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******************************************************************************/
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#ifndef ARGTABLE3
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#define ARGTABLE3
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#include <stdio.h> /* FILE */
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#include <time.h> /* struct tm */
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ARG_REX_ICASE 1
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#define ARG_DSTR_SIZE 200
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#define ARG_CMD_NAME_LEN 100
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#define ARG_CMD_DESCRIPTION_LEN 256
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#ifndef ARG_REPLACE_GETOPT
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#define ARG_REPLACE_GETOPT 1 /* use the embedded getopt as the system getopt(3) */
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#endif /* ARG_REPLACE_GETOPT */
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/* bit masks for arg_hdr.flag */
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enum {
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ARG_TERMINATOR = 0x1,
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ARG_HASVALUE = 0x2,
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ARG_HASOPTVALUE = 0x4
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};
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typedef void (arg_resetfn)(void *parent);
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typedef int (arg_scanfn)(void *parent, const char *argval);
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typedef int (arg_checkfn)(void *parent);
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typedef void (arg_errorfn)(void *parent, FILE *fp, int error, const char *argval, const char *progname);
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/*
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* The arg_hdr struct defines properties that are common to all arg_xxx structs.
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* The argtable library requires each arg_xxx struct to have an arg_hdr
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* struct as its first data member.
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* The argtable library functions then use this data to identify the
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* properties of the command line option, such as its option tags,
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* datatype string, and glossary strings, and so on.
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* Moreover, the arg_hdr struct contains pointers to custom functions that
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* are provided by each arg_xxx struct which perform the tasks of parsing
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* that particular arg_xxx arguments, performing post-parse checks, and
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* reporting errors.
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* These functions are private to the individual arg_xxx source code
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* and are the pointer to them are initialised by that arg_xxx struct's
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* constructor function. The user could alter them after construction
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* if desired, but the original intention is for them to be set by the
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* constructor and left unaltered.
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*/
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struct arg_hdr {
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char flag; /* Modifier flags: ARG_TERMINATOR, ARG_HASVALUE. */
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const char *shortopts; /* String defining the short options */
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const char *longopts; /* String defining the long options */
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const char *datatype; /* Description of the argument data type */
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const char *glossary; /* Description of the option as shown by arg_print_glossary function */
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int mincount; /* Minimum number of occurrences of this option accepted */
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int maxcount; /* Maximum number of occurrences if this option accepted */
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void *parent; /* Pointer to parent arg_xxx struct */
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arg_resetfn *resetfn; /* Pointer to parent arg_xxx reset function */
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arg_scanfn *scanfn; /* Pointer to parent arg_xxx scan function */
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arg_checkfn *checkfn; /* Pointer to parent arg_xxx check function */
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arg_errorfn *errorfn; /* Pointer to parent arg_xxx error function */
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void *priv; /* Pointer to private header data for use by arg_xxx functions */
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};
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struct arg_rem {
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struct arg_hdr hdr; /* The mandatory argtable header struct */
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};
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struct arg_lit {
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struct arg_hdr hdr; /* The mandatory argtable header struct */
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int count; /* Number of matching command line args */
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};
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struct arg_int {
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struct arg_hdr hdr; /* The mandatory argtable header struct */
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int count; /* Number of matching command line args */
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int *ival; /* Array of parsed argument values */
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};
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struct arg_u64 {
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struct arg_hdr hdr; /* The mandatory argtable header struct */
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int count; /* Number of matching command line args */
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uint64_t *uval; /* Array of parsed argument values */
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};
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struct arg_dbl {
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struct arg_hdr hdr; /* The mandatory argtable header struct */
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int count; /* Number of matching command line args */
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double *dval; /* Array of parsed argument values */
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};
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struct arg_str {
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struct arg_hdr hdr; /* The mandatory argtable header struct */
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int count; /* Number of matching command line args */
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const char **sval; /* Array of parsed argument values */
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};
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struct arg_rex {
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struct arg_hdr hdr; /* The mandatory argtable header struct */
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int count; /* Number of matching command line args */
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const char **sval; /* Array of parsed argument values */
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};
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struct arg_file {
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struct arg_hdr hdr; /* The mandatory argtable header struct */
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int count; /* Number of matching command line args*/
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const char **filename; /* Array of parsed filenames (eg: /home/foo.bar) */
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const char **basename; /* Array of parsed basenames (eg: foo.bar) */
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const char **extension; /* Array of parsed extensions (eg: .bar) */
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};
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struct arg_date {
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struct arg_hdr hdr; /* The mandatory argtable header struct */
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const char *format; /* strptime format string used to parse the date */
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int count; /* Number of matching command line args */
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struct tm *tmval; /* Array of parsed time values */
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};
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enum {ARG_ELIMIT = 1, ARG_EMALLOC, ARG_ENOMATCH, ARG_ELONGOPT, ARG_EMISSARG};
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struct arg_end {
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struct arg_hdr hdr; /* The mandatory argtable header struct */
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int count; /* Number of errors encountered */
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int *error; /* Array of error codes */
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void **parent; /* Array of pointers to offending arg_xxx struct */
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const char **argval; /* Array of pointers to offending argv[] string */
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};
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/*
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typedef struct arg_cmd_info {
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char name[ARG_CMD_NAME_LEN];
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char description[ARG_CMD_DESCRIPTION_LEN];
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arg_cmdfn* proc;
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} arg_cmd_info_t;
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*/
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/**** arg_xxx constructor functions *********************************/
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struct arg_rem *arg_rem(const char *datatype, const char *glossary);
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struct arg_lit *arg_lit0(const char *shortopts,
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const char *longopts,
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const char *glossary);
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struct arg_lit *arg_lit1(const char *shortopts,
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const char *longopts,
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const char *glossary);
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struct arg_lit *arg_litn(const char *shortopts,
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const char *longopts,
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int mincount,
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int maxcount,
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const char *glossary);
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struct arg_key *arg_key0(const char *keyword, int flags, const char *glossary);
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struct arg_key *arg_key1(const char *keyword, int flags, const char *glossary);
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struct arg_key *arg_keyn(const char *keyword, int flags, int mincount, int maxcount, const char *glossary);
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struct arg_int *arg_int0(const char *shortopts, const char *longopts, const char *datatype, const char *glossary);
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struct arg_int *arg_int1(const char *shortopts, const char *longopts, const char *datatype, const char *glossary);
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struct arg_int *arg_intn(const char *shortopts, const char *longopts, const char *datatype, int mincount, int maxcount, const char *glossary);
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struct arg_u64 *arg_u64_0(const char *shortopts,
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const char *longopts,
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const char *datatype,
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const char *glossary);
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struct arg_u64 *arg_u64_1(const char *shortopts,
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const char *longopts,
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const char *datatype,
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const char *glossary);
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struct arg_u64 *arg_u64_n(const char *shortopts,
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const char *longopts,
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const char *datatype,
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int mincount,
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int maxcount,
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const char *glossary);
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struct arg_dbl *arg_dbl0(const char *shortopts,
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const char *longopts,
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const char *datatype,
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const char *glossary);
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struct arg_dbl *arg_dbl1(const char *shortopts,
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const char *longopts,
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const char *datatype,
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const char *glossary);
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struct arg_dbl *arg_dbln(const char *shortopts,
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const char *longopts,
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const char *datatype,
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int mincount,
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int maxcount,
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const char *glossary);
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struct arg_str *arg_str0(const char *shortopts,
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const char *longopts,
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const char *datatype,
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const char *glossary);
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struct arg_str *arg_str1(const char *shortopts,
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const char *longopts,
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const char *datatype,
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const char *glossary);
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struct arg_str *arg_strn(const char *shortopts,
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const char *longopts,
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const char *datatype,
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int mincount,
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int maxcount,
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const char *glossary);
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struct arg_rex *arg_rex0(const char *shortopts,
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const char *longopts,
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const char *pattern,
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const char *datatype,
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int flags,
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const char *glossary);
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struct arg_rex *arg_rex1(const char *shortopts,
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const char *longopts,
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const char *pattern,
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const char *datatype,
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int flags,
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const char *glossary);
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struct arg_rex *arg_rexn(const char *shortopts,
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const char *longopts,
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const char *pattern,
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const char *datatype,
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int mincount,
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int maxcount,
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int flags,
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const char *glossary);
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struct arg_file *arg_file0(const char *shortopts,
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const char *longopts,
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const char *datatype,
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const char *glossary);
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struct arg_file *arg_file1(const char *shortopts,
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const char *longopts,
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const char *datatype,
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const char *glossary);
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struct arg_file *arg_filen(const char *shortopts,
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const char *longopts,
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const char *datatype,
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int mincount,
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int maxcount,
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const char *glossary);
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struct arg_date *arg_date0(const char *shortopts,
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const char *longopts,
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const char *format,
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const char *datatype,
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const char *glossary);
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struct arg_date *arg_date1(const char *shortopts,
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const char *longopts,
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const char *format,
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const char *datatype,
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const char *glossary);
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struct arg_date *arg_daten(const char *shortopts,
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const char *longopts,
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const char *format,
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const char *datatype,
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int mincount,
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int maxcount,
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const char *glossary);
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struct arg_end *arg_end(int maxcount);
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/**** other functions *******************************************/
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int arg_nullcheck(void **argtable);
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int arg_parse(int argc, char **argv, void **argtable);
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void arg_print_option(FILE *fp, const char *shortopts, const char *longopts, const char *datatype, const char *suffix);
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void arg_print_syntax(FILE *fp, void **argtable, const char *suffix);
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void arg_print_syntaxv(FILE *fp, void **argtable, const char *suffix);
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void arg_print_glossary(FILE *fp, void **argtable, const char *format);
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void arg_print_glossary_gnu(FILE *fp, void **argtable);
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void arg_print_errors(FILE *fp, struct arg_end *end, const char *progname);
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void arg_freetable(void **argtable, size_t n);
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/**** deprecated functions, for back-compatibility only ********/
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void arg_free(void **argtable);
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#ifdef __cplusplus
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}
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#endif
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#endif
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