/* *  Copyright (c) 2010 The WebM project authors. All Rights Reserved. * *  Use of this source code is governed by a BSD-style license *  that can be found in the LICENSE file in the root of the source *  tree. An additional intellectual property rights grant can be found *  in the file PATENTS.  All contributing project authors may *  be found in the AUTHORS file in the root of the source tree. */  #ifndef ARGS_H#define ARGS_H#include <stdio.h> struct arg{    char                 **argv;    const char            *name;    const char            *val;    unsigned int           argv_step;    const struct arg_def  *def;}; struct arg_enum_list{    const char *name;    int         val;};#define ARG_ENUM_LIST_END {0} typedef struct arg_def{    const char *short_name;    const char *long_name;    int         has_val;    const char *desc;    const struct arg_enum_list *enums;} arg_def_t;#define ARG_DEF(s,l,v,d) {s,l,v,d, NULL}#define ARG_DEF_ENUM(s,l,v,d,e) {s,l,v,d,e}#define ARG_DEF_LIST_END {0} struct arg arg_init(char **argv);int arg_match(struct arg *arg_, const struct arg_def *def, char **argv);const char *arg_next(struct arg *arg);void arg_show_usage(FILE *fp, const struct arg_def *const *defs);char **argv_dup(int argc, const char **argv); unsigned int arg_parse_uint(const struct arg *arg);int arg_parse_int(const struct arg *arg);struct vpx_rational arg_parse_rational(const struct arg *arg);int arg_parse_enum_or_int(const struct arg *arg);#endif