mirror of
https://github.com/Unidata/netcdf-c.git
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245 lines
6.0 KiB
C
245 lines
6.0 KiB
C
/* Copyright 2018, UCAR/Unidata and OPeNDAP, Inc.
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See the COPYRIGHT file for more information. */
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#ifndef OCINTERNAL_H
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#define OCINTERNAL_H
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#include "config.h"
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#ifdef _MSC_VER
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#include <malloc.h>
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#endif
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/* Required for getcwd, other functions. */
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#ifdef _MSC_VER
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#include <direct.h>
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#define getcwd _getcwd
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#endif
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#ifdef _AIX
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#include <netinet/in.h>
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#endif
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#include <stdlib.h>
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#include <assert.h>
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#include <string.h>
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#ifdef HAVE_STDARG_H
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#include <stdarg.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#define CURL_DISABLE_TYPECHECK 1
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#include <curl/curl.h>
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#include "netcdf.h"
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#include "ncauth.h"
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#include "nclist.h"
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#include "ncbytes.h"
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#include "ncuri.h"
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#ifndef HAVE_STRNDUP
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/* Not all systems have strndup, so provide one*/
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#define strndup ocstrndup
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#endif
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#define OCCACHEPOS
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#ifndef HAVE_STRNDUP
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/* Not all systems have strndup, so provide one*/
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#define strndup ocstrndup
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#endif
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#define OCPATHMAX 8192
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#ifndef nullfree
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#define nullfree(x) {if((x)!=NULL) free(x);}
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#endif
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/* Forwards */
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typedef struct OCstate OCstate;
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typedef struct OCnode OCnode;
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typedef struct OCdata OCdata;
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struct OCTriplestore;
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/* Define the internal node classification values */
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#define OC_None ((unsigned int)0)
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#define OC_State ((unsigned int)1)
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#define OC_Node ((unsigned int)2)
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#define OC_Data ((unsigned int)3)
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/* Define a magic number to mark externally visible oc objects */
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#define OCMAGIC ((unsigned int)0x0c0c0c0c) /*clever, huh*/
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/* Max rc file line size */
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#define MAXRCLINESIZE 4096
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/* Max number of triples from an rc file */
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#define MAXRCLINES 4096
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/* Define a struct that all oc objects must start with */
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/* OCheader must be defined here to make it available in other headers */
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typedef struct OCheader {
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unsigned int magic;
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unsigned int occlass;
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} OCheader;
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#include "oc.h"
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#include "ocx.h"
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#include "ocnode.h"
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#include "ocdata.h"
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#include "occonstraints.h"
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#include "ocutil.h"
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#include "nclog.h"
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#include "xxdr.h"
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#include "ocdatatypes.h"
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#include "occompile.h"
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#ifndef nulldup
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#define nulldup(s) (s==NULL?NULL:strdup(s))
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#endif
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/*
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* Macros for dealing with flag bits.
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*/
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#define fset(t,f) ((t) |= (f))
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#define fclr(t,f) ((t) &= ~(f))
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#define fisset(t,f) ((t) & (f))
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#define nullstring(s) (s==NULL?"(null)":s)
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#define PATHSEPARATOR "."
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#define OCCOOKIEDIR "occookies"
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/* Define infinity for memory size */
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#if SIZEOF_SIZE_T == 4
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#define OCINFINITY ((size_t)0xffffffff)
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#else
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#define OCINFINITY ((size_t)0xffffffffffffffff)
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#endif
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/* Extend the OCdxd type for internal use */
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#define OCVER 3
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/* Default initial memory packet size */
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#define DFALTPACKETSIZE 0x20000 /*approximately 100k bytes*/
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/* Default maximum memory packet size */
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#define DFALTMAXPACKETSIZE 0x3000000 /*approximately 50M bytes*/
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/* Default user agent string (will have version appended)*/
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#ifndef DFALTUSERAGENT
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#define DFALTUSERAGENT "oc"
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#endif
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#if 0
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/* Hold known curl flags */
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enum OCCURLFLAGTYPE {CF_UNKNOWN=0,CF_OTHER=1,CF_STRING=2,CF_LONG=3};
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struct OCCURLFLAG {
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const char* name;
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int flag;
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int value;
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enum OCCURLFLAGTYPE type;
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};
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#endif
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struct OCTriplestore {
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int ntriples;
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struct OCTriple {
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char host[MAXRCLINESIZE]; /* includes port if specified */
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char key[MAXRCLINESIZE];
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char value[MAXRCLINESIZE];
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} triples[MAXRCLINES];
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};
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/*! Specifies the OCstate = non-opaque version of OClink */
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struct OCstate {
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OCheader header; /* class=OC_State */
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NClist* trees; /* list<OCNODE*> ; all root objects */
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NCURI* uri; /* parsed base URI*/
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NCbytes* packet; /* shared by all trees during construction */
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struct OCerrdata {/* Hold info for an error return from server */
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char* code;
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char* message;
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long httpcode;
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char curlerrorbuf[CURL_ERROR_SIZE]; /* CURLOPT_ERRORBUFFER*/
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} error;
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CURL* curl; /* curl handle*/
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char curlerror[CURL_ERROR_SIZE];
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void* usercurldata;
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NCauth* auth; /* curl auth data */
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long ddslastmodified;
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long datalastmodified;
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long curlbuffersize;
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struct {
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int active; /* Activate keepalive? */
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long idle; /* KEEPIDLE value */
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long interval; /* KEEPINTVL value */
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} curlkeepalive; /* keepalive info */
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};
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/*! OCtree holds extra state info about trees */
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typedef struct OCtree
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{
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OCdxd dxdclass;
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char* constraint;
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char* text;
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struct OCnode* root; /* cross link */
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struct OCstate* state; /* cross link */
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NClist* nodes; /* all nodes in tree*/
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/* when dxdclass == OCDATADDS */
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struct {
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char* memory; /* allocated memory if OC_ONDISK is not set */
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char* filename; /* If OC_ONDISK is set */
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FILE* file;
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off_t datasize; /* xdr size on disk or in memory */
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off_t bod; /* offset of the beginning of packet data */
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off_t ddslen; /* length of ddslen (assert(ddslen <= bod)) */
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XXDR* xdrs; /* access either memory or file */
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OCdata* data;
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} data;
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} OCtree;
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/* (Almost) All shared procedure definitions are kept here
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except for: ocdebug.h ocutil.h
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The true external interface is defined in oc.h
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*/
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#if 0
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/* Location: ceparselex.c*/
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extern int cedebug;
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extern NClist* CEparse(OCstate*,char* input);
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#endif
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extern int ocinitialized;
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extern OCerror ocopen(OCstate** statep, const char* url);
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extern void occlose(OCstate* state);
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extern OCerror ocfetch(OCstate*, const char*, OCdxd, OCflags, OCnode**);
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extern int oc_network_order;
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extern int oc_invert_xdr_double;
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extern OCerror ocinternalinitialize(void);
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extern OCerror ocupdatelastmodifieddata(OCstate* state, OCflags);
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extern OCerror ocset_useragent(OCstate* state, const char* agent);
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extern OCerror ocset_netrc(OCstate* state, const char* path);
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/* From ocrc.c */
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extern OCerror ocrc_load(void); /* find, read, and compile */
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extern OCerror ocrc_process(OCstate* state); /* extract relevant triples */
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extern char* ocrc_lookup(char* key, char* url);
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extern struct OCTriple* ocrc_triple_iterate(char* key, char* url, struct OCTriple* prevp);
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extern int ocparseproxy(OCstate* state, char* v);
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#endif /*COMMON_H*/
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