/* *  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> #ifdef __cplusplusextern "C" {#endif 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(const struct arg *arg);int arg_parse_enum_or_int(const struct arg *arg);#ifdef __cplusplus}  // extern "C"#endif #endif  // ARGS_H_