// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <stddef.h>
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#include <stdint.h>
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/**
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* This header file provides POSIX-compatible definitions of directory
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* access functions and related data types.
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* See http://pubs.opengroup.org/onlinepubs/7908799/xsh/dirent.h.html
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* for reference.
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*/
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/**
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* @brief Opaque directory structure
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*/
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typedef struct {
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uint16_t dd_vfs_idx; /*!< VFS index, not to be used by applications */
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uint16_t dd_rsv; /*!< field reserved for future extension */
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/* remaining fields are defined by VFS implementation */
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} DIR;
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/**
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* @brief Directory entry structure
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*/
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struct dirent {
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int d_ino; /*!< file number */
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uint8_t d_type; /*!< not defined in POSIX, but present in BSD and Linux */
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#define DT_UNKNOWN 0
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#define DT_REG 1
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#define DT_DIR 2
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char d_name[256]; /*!< zero-terminated file name */
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};
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DIR* opendir(const char* name);
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struct dirent* readdir(DIR* pdir);
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long telldir(DIR* pdir);
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void seekdir(DIR* pdir, long loc);
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void rewinddir(DIR* pdir);
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int closedir(DIR* pdir);
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int readdir_r(DIR* pdir, struct dirent* entry, struct dirent** out_dirent);
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