/*
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* Regular Expression Engine
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*
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* Copyright (c) 2017-2018 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef LIBREGEXP_H
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#define LIBREGEXP_H
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#include <stddef.h>
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#include <stdint.h>
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#define LRE_FLAG_GLOBAL (1 << 0)
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#define LRE_FLAG_IGNORECASE (1 << 1)
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#define LRE_FLAG_MULTILINE (1 << 2)
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#define LRE_FLAG_DOTALL (1 << 3)
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#define LRE_FLAG_UNICODE (1 << 4)
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#define LRE_FLAG_STICKY (1 << 5)
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#define LRE_FLAG_INDICES (1 << 6) /* Unused by libregexp, just recorded. */
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#define LRE_FLAG_NAMED_GROUPS (1 << 7) /* named groups are present in the regexp */
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uint8_t *lre_compile(int *plen, char *error_msg, int error_msg_size,
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const char *buf, size_t buf_len, int re_flags,
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void *opaque);
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int lre_get_capture_count(const uint8_t *bc_buf);
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int lre_get_flags(const uint8_t *bc_buf);
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const char *lre_get_groupnames(const uint8_t *bc_buf);
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int lre_exec(uint8_t **capture,
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const uint8_t *bc_buf, const uint8_t *cbuf, int cindex, int clen,
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int cbuf_type, void *opaque);
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int lre_parse_escape(const uint8_t **pp, int allow_utf16);
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/* must be provided by the user, return non zero if overflow */
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int lre_check_stack_overflow(void *opaque, size_t alloca_size);
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void *lre_realloc(void *opaque, void *ptr, size_t size);
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#endif /* LIBREGEXP_H */
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