fixed some build file flaws
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lib/sed-prv.h
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236
lib/sed-prv.h
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/*
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Copyright (c) 2006-2020 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _HAWK_SED_PRV_H_
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#define _HAWK_SED_PRV_H_
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#include <hawk-sed.h>
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#include <hawk-ecs.h>
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#define HAWK_MAP_IS_RBT
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#include <hawk-map.h>
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/* structure to maintain data to append
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* at the end of each cycle, triggered by r, R, and a */
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typedef struct hawk_sed_app_t hawk_sed_app_t;
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struct hawk_sed_app_t
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{
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hawk_sed_cmd_t* cmd;
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hawk_sed_app_t* next;
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};
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typedef struct hawk_sed_cmd_blk_t hawk_sed_cmd_blk_t;
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struct hawk_sed_cmd_blk_t
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{
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hawk_oow_t len;
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hawk_sed_cmd_t buf[256];
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hawk_sed_cmd_blk_t* next;
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};
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/* structure to maintain list of compiliation
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* identifiers */
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typedef struct hawk_sed_cid_t hawk_sed_cid_t;
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struct hawk_sed_cid_t
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{
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hawk_sed_cid_t* next;
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};
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/* special structure to represent an unknown cid
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* used once the action of setting a new cid fails */
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typedef struct hawk_sed_unknown_cid_t hawk_sed_unknown_cid_t;
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struct hawk_sed_unknown_cid_t
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{
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hawk_sed_cid_t* next;
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hawk_ooch_t buf[1];
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};
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/**
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* The hawk_sed_t type defines a stream editor
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*/
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struct hawk_sed_t
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{
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HAWK_SED_HDR;
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struct
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{
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int trait;
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hawk_sed_tracer_t tracer;
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hawk_sed_lformatter_t lformatter;
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struct
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{
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struct
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{
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hawk_oow_t build;
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hawk_oow_t match;
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} rex;
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} depth; /* useful only for rex.h */
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} opt;
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hawk_sed_ecb_t* ecb;
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/** source text pointers */
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struct
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{
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hawk_sed_io_impl_t fun; /**< input stream handler */
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hawk_sed_io_arg_t arg;
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hawk_ooch_t buf[1024];
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int eof;
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hawk_sed_cid_t* cid;
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hawk_sed_unknown_cid_t unknown_cid;
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hawk_loc_t loc; /**< location */
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hawk_ooci_t cc; /**< last character read */
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const hawk_ooch_t* ptr; /**< beginning of the source text */
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const hawk_ooch_t* end; /**< end of the source text */
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const hawk_ooch_t* cur; /**< current source text pointer */
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} src;
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/** temporary data for compiling */
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struct
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{
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hawk_ooecs_t rex; /**< regular expression buffer */
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hawk_ooecs_t lab; /**< label name buffer */
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/** data structure to compile command groups */
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struct
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{
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/** current level of command group nesting */
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int level;
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/** keeps track of the begining of nested groups */
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hawk_sed_cmd_t* cmd[128];
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} grp;
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/** a table storing labels seen */
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hawk_map_t labs;
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} tmp;
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/** compiled commands */
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struct
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{
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hawk_sed_cmd_blk_t fb; /**< the first block is static */
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hawk_sed_cmd_blk_t* lb; /**< points to the last block */
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hawk_sed_cmd_t quit;
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hawk_sed_cmd_t quit_quiet;
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hawk_sed_cmd_t again;
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hawk_sed_cmd_t over;
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} cmd;
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/** data for execution */
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struct
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{
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/** data needed for output streams and files */
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struct
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{
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hawk_sed_io_impl_t fun; /**< an output handler */
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hawk_sed_io_arg_t arg; /**< output handling data */
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hawk_ooch_t buf[2048];
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hawk_oow_t len;
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int eof;
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/*****************************************************/
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/* the following two fields are very tightly-coupled.
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* don't make any partial changes */
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hawk_map_t files;
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hawk_sed_t* files_ext;
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/*****************************************************/
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} out;
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/** data needed for input streams */
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struct
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{
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hawk_sed_io_impl_t fun; /**< input handler */
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hawk_sed_io_arg_t arg; /**< input handling data */
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hawk_ooch_t xbuf[1]; /**< read-ahead buffer */
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int xbuf_len; /**< data length in the buffer */
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hawk_ooch_t buf[2048]; /**< input buffer */
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hawk_oow_t len; /**< data length in the buffer */
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hawk_oow_t pos; /**< current position in the buffer */
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int eof; /**< EOF indicator */
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hawk_ooecs_t line; /**< pattern space */
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hawk_oow_t num; /**< current line number */
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} in;
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struct
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{
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hawk_oow_t count; /* number of append entries in a static buffer. */
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hawk_sed_app_t s[16]; /* handle up to 16 appends in a static buffer */
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struct
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{
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hawk_sed_app_t* head;
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hawk_sed_app_t* tail;
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} d;
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} append;
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/** text buffers */
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struct
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{
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hawk_ooecs_t hold; /* hold space */
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hawk_ooecs_t scratch;
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} txt;
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struct
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{
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hawk_oow_t nflds; /**< the number of fields */
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hawk_oow_t cflds; /**< capacity of flds field */
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hawk_oocs_t sflds[128]; /**< static field buffer */
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hawk_oocs_t* flds;
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int delimited;
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} cutf;
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/** indicates if a successful substitution has been made
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* since the last read on the input stream. */
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int subst_done;
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void* last_rex;
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/** halt requested */
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int haltreq;
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} e;
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};
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#if defined(__cplusplus)
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extern "C" {
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#endif
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int hawk_sed_init (
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hawk_sed_t* sed,
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hawk_mmgr_t* mmgr,
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hawk_cmgr_t* cmgr
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);
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void hawk_sed_fini (
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hawk_sed_t* sed
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);
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#if defined(__cplusplus)
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}
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#endif
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#endif
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