incubator-nuttx/include/getopt.h

77 lines
2.4 KiB
C

/****************************************************************************
* include/getopt.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __INCLUDE_GETOPT_H
#define __INCLUDE_GETOPT_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <unistd.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define no_argument 0
#define required_argument 1
#define optional_argument 2
/****************************************************************************
* Public Type Definitions
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
struct option
{
FAR const char *name;
int has_arg;
FAR int *flag;
int val;
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
int getopt_long(int argc, FAR char *const argv[],
FAR const char *shortopts,
FAR const struct option *longopts,
FAR int *longind);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __INCLUDE_GETOPT_H */