mirror of
https://github.com/Unidata/netcdf-c.git
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253 lines
13 KiB
C
253 lines
13 KiB
C
/* Copyright 2019 University Corporation for Atmospheric
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Research/Unidata. */
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/*
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* In order to use any of the netcdf_XXX.h files, it is necessary
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* to include netcdf.h followed by any netcdf_XXX.h files.
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* Various things (like EXTERNL) are defined in netcdf.h
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* to make them available for use by the netcdf_XXX.h files.
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*/
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/**
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* @file
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* This header contains the definition of the dispatch table. This
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* table contains a pointer to every netcdf function. When a file is
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* opened or created, the dispatch code in libdispatch decides which
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* dispatch table to use, and all subsequent netCDF calls for that
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* file will use the selected dispatch table. There are dispatch
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* tables for HDF5, HDF4, pnetcdf, etc.
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*
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* @author Dennis Heimbigner, Ed Hartnett
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*/
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#ifndef NETCDF_DISPATCH_H
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#define NETCDF_DISPATCH_H
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/* This is the version of the dispatch table. It should be changed
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* when new functions are added to the dispatch table. */
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#ifndef NC_DISPATCH_VERSION
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#define NC_DISPATCH_VERSION @NC_DISPATCH_VERSION@
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#endif /*NC_DISPATCH_VERSION*/
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/* This is the dispatch table, with a pointer to each netCDF
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* function. */
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struct NC_Dispatch
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{
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int model; /* one of the NC_FORMATX #'s */
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int dispatch_version;
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int (*create)(const char *path, int cmode, size_t initialsz,
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int basepe, size_t *chunksizehintp, void *parameters,
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const struct NC_Dispatch *table, int ncid);
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int (*open)(const char *path, int mode, int basepe, size_t *chunksizehintp,
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void *parameters, const struct NC_Dispatch *table, int ncid);
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int (*redef)(int);
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int (*_enddef)(int,size_t,size_t,size_t,size_t);
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int (*sync)(int);
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int (*abort)(int);
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int (*close)(int, void *);
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int (*set_fill)(int, int, int *);
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int (*inq_format)(int, int*);
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int (*inq_format_extended)(int, int *, int *);
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int (*inq)(int, int *, int *, int *, int *);
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int (*inq_type)(int, nc_type, char *, size_t *);
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int (*def_dim)(int, const char *, size_t, int *);
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int (*inq_dimid)(int, const char *, int *);
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int (*inq_dim)(int, int, char *, size_t *);
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int (*inq_unlimdim)(int ncid, int *unlimdimidp);
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int (*rename_dim)(int, int, const char *);
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int (*inq_att)(int, int, const char *, nc_type *, size_t *);
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int (*inq_attid)(int, int, const char *, int*);
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int (*inq_attname)(int, int, int, char *);
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int (*rename_att)(int, int, const char *, const char *);
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int (*del_att)(int, int, const char *);
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int (*get_att)(int, int, const char *, void *, nc_type);
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int (*put_att)(int, int, const char *, nc_type, size_t, const void *,
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nc_type);
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int (*def_var)(int, const char *, nc_type, int, const int *, int *);
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int (*inq_varid)(int, const char *, int *);
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int (*rename_var)(int, int, const char *);
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int (*get_vara)(int, int, const size_t *, const size_t *, void *, nc_type);
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int (*put_vara)(int, int, const size_t *, const size_t *,
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const void *, nc_type);
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int (*get_vars)(int, int, const size_t *, const size_t *, const ptrdiff_t *,
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void *, nc_type);
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int (*put_vars)(int, int, const size_t *, const size_t *, const ptrdiff_t *,
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const void *, nc_type);
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int (*get_varm)(int, int, const size_t *, const size_t *, const ptrdiff_t *,
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const ptrdiff_t *, void *, nc_type);
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int (*put_varm)(int, int, const size_t *, const size_t *, const ptrdiff_t *,
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const ptrdiff_t *, const void *, nc_type);
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int (*inq_var_all)(int ncid, int varid, char *name, nc_type *xtypep,
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int *ndimsp, int *dimidsp, int *nattsp,
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int *shufflep, int *deflatep, int *deflate_levelp,
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int *fletcher32p, int *contiguousp, size_t *chunksizesp,
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int *no_fill, void *fill_valuep, int *endiannessp,
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unsigned int *idp, size_t *nparamsp,
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unsigned int *params);
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int (*var_par_access)(int, int, int);
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int (*def_var_fill)(int, int, int, const void *);
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/* Note the following are specific to netcdf4, but must still be
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implemented by all dispatch tables. They may still be invoked by
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netcdf client code even when the file is a classic file; they
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will just return an error or be ignored.
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*/
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int (*show_metadata)(int);
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int (*inq_unlimdims)(int, int*, int*);
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int (*inq_ncid)(int, const char*, int*);
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int (*inq_grps)(int, int*, int*);
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int (*inq_grpname)(int, char*);
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int (*inq_grpname_full)(int, size_t*, char*);
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int (*inq_grp_parent)(int, int*);
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int (*inq_grp_full_ncid)(int, const char*, int*);
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int (*inq_varids)(int, int* nvars, int*);
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int (*inq_dimids)(int, int* ndims, int*, int);
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int (*inq_typeids)(int, int* ntypes, int*);
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int (*inq_type_equal)(int, nc_type, int, nc_type, int*);
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int (*def_grp)(int, const char*, int*);
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int (*rename_grp)(int, const char*);
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int (*inq_user_type)(int, nc_type, char*, size_t*, nc_type*, size_t*, int*);
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int (*inq_typeid)(int, const char*, nc_type*);
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int (*def_compound)(int, size_t, const char *, nc_type *);
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int (*insert_compound)(int, nc_type, const char *, size_t, nc_type);
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int (*insert_array_compound)(int, nc_type, const char *, size_t, nc_type,
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int, const int *);
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int (*inq_compound_field)(int, nc_type, int, char *, size_t *, nc_type *,
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int *, int *);
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int (*inq_compound_fieldindex)(int, nc_type, const char *, int *);
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int (*def_vlen)(int, const char *, nc_type base_typeid, nc_type *);
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int (*put_vlen_element)(int, int, void *, size_t, const void *);
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int (*get_vlen_element)(int, int, const void *, size_t *, void *);
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int (*def_enum)(int, nc_type, const char *, nc_type *);
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int (*insert_enum)(int, nc_type, const char *, const void *);
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int (*inq_enum_member)(int, nc_type, int, char *, void *);
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int (*inq_enum_ident)(int, nc_type, long long, char *);
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int (*def_opaque)(int, size_t, const char *, nc_type*);
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int (*def_var_deflate)(int, int, int, int, int);
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int (*def_var_fletcher32)(int, int, int);
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int (*def_var_chunking)(int, int, int, const size_t *);
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int (*def_var_endian)(int, int, int);
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int (*def_var_filter)(int, int, unsigned int, size_t, const unsigned int *);
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int (*set_var_chunk_cache)(int, int, size_t, size_t, float);
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int (*get_var_chunk_cache)(int ncid, int varid, size_t *sizep,
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size_t *nelemsp, float *preemptionp);
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/* Version 3 Replace filteractions with more specific functions */
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int (*inq_var_filter_ids)(int ncid, int varid, size_t* nfilters, unsigned int* filterids);
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int (*inq_var_filter_info)(int ncid, int varid, unsigned int id, size_t* nparams, unsigned int* params);
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/* Version 4 Add quantization. */
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int (*def_var_quantize)(int ncid, int varid, int quantize_mode, int nsd);
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int (*inq_var_quantize)(int ncid, int varid, int *quantize_modep, int *nsdp);
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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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/* Read-only dispatch layers can use these functions to return
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* NC_EPERM to all attempts to modify a file. */
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EXTERNL int NC_RO_create(const char *path, int cmode, size_t initialsz, int basepe,
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size_t *chunksizehintp, void* parameters,
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const NC_Dispatch*, int);
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EXTERNL int NC_RO_redef(int ncid);
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EXTERNL int NC_RO__enddef(int ncid, size_t h_minfree, size_t v_align, size_t v_minfree,
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size_t r_align);
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EXTERNL int NC_RO_sync(int ncid);
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EXTERNL int NC_RO_def_var_fill(int, int, int, const void *);
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EXTERNL int NC_RO_rename_att(int ncid, int varid, const char *name,
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const char *newname);
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EXTERNL int NC_RO_del_att(int ncid, int varid, const char*);
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EXTERNL int NC_RO_put_att(int ncid, int varid, const char *name, nc_type datatype,
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size_t len, const void *value, nc_type);
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EXTERNL int NC_RO_def_var(int ncid, const char *name,
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nc_type xtype, int ndims, const int *dimidsp, int *varidp);
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EXTERNL int NC_RO_rename_var(int ncid, int varid, const char *name);
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EXTERNL int NC_RO_put_vara(int ncid, int varid,
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const size_t *start, const size_t *count,
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const void *value, nc_type);
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EXTERNL int NC_RO_def_dim(int ncid, const char *name, size_t len, int *idp);
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EXTERNL int NC_RO_rename_dim(int ncid, int dimid, const char *name);
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EXTERNL int NC_RO_set_fill(int ncid, int fillmode, int *old_modep);
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/* These functions are for dispatch layers that don't implement
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* the enhanced model. They return NC_ENOTNC4. */
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EXTERNL int NC_NOTNC4_def_var_filter(int, int, unsigned int, size_t,
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const unsigned int*);
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EXTERNL int NC_NOTNC4_inq_var_filter_ids(int ncid, int varid, size_t* nfilters, unsigned int* filterids);
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EXTERNL int NC_NOTNC4_inq_var_filter_info(int ncid, int varid, unsigned int id, size_t* nparams, unsigned int* params);
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EXTERNL int NC_NOOP_inq_var_filter_ids(int ncid, int varid, size_t* nfilters, unsigned int* filterids);
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EXTERNL int NC_NOOP_inq_var_filter_info(int ncid, int varid, unsigned int id, size_t* nparams, unsigned int* params);
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EXTERNL int NC_NOTNC4_def_grp(int, const char *, int *);
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EXTERNL int NC_NOTNC4_rename_grp(int, const char *);
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EXTERNL int NC_NOTNC4_def_compound(int, size_t, const char *, nc_type *);
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EXTERNL int NC_NOTNC4_insert_compound(int, nc_type, const char *, size_t, nc_type);
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EXTERNL int NC_NOTNC4_insert_array_compound(int, nc_type, const char *, size_t,
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nc_type, int, const int *);
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EXTERNL int NC_NOTNC4_inq_typeid(int, const char *, nc_type *);
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EXTERNL int NC_NOTNC4_inq_compound_field(int, nc_type, int, char *, size_t *,
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nc_type *, int *, int *);
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EXTERNL int NC_NOTNC4_inq_compound_fieldindex(int, nc_type, const char *, int *);
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EXTERNL int NC_NOTNC4_def_vlen(int, const char *, nc_type base_typeid, nc_type *);
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EXTERNL int NC_NOTNC4_put_vlen_element(int, int, void *, size_t, const void *);
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EXTERNL int NC_NOTNC4_get_vlen_element(int, int, const void *, size_t *, void *);
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EXTERNL int NC_NOTNC4_def_enum(int, nc_type, const char *, nc_type *);
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EXTERNL int NC_NOTNC4_insert_enum(int, nc_type, const char *, const void *);
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EXTERNL int NC_NOTNC4_inq_enum_member(int, nc_type, int, char *, void *);
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EXTERNL int NC_NOTNC4_inq_enum_ident(int, nc_type, long long, char *);
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EXTERNL int NC_NOTNC4_def_opaque(int, size_t, const char *, nc_type *);
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EXTERNL int NC_NOTNC4_def_var_deflate(int, int, int, int, int);
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EXTERNL int NC_NOTNC4_def_var_fletcher32(int, int, int);
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EXTERNL int NC_NOTNC4_def_var_chunking(int, int, int, const size_t *);
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EXTERNL int NC_NOTNC4_def_var_endian(int, int, int);
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EXTERNL int NC_NOTNC4_set_var_chunk_cache(int, int, size_t, size_t, float);
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EXTERNL int NC_NOTNC4_get_var_chunk_cache(int, int, size_t *, size_t *, float *);
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EXTERNL int NC_NOTNC4_var_par_access(int, int, int);
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EXTERNL int NC_NOTNC4_inq_ncid(int, const char *, int *);
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EXTERNL int NC_NOTNC4_inq_grps(int, int *, int *);
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EXTERNL int NC_NOTNC4_inq_grpname(int, char *);
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EXTERNL int NC_NOTNC4_inq_grpname_full(int, size_t *, char *);
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EXTERNL int NC_NOTNC4_inq_grp_parent(int, int *);
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EXTERNL int NC_NOTNC4_inq_grp_full_ncid(int, const char *, int *);
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EXTERNL int NC_NOTNC4_inq_varids(int, int *, int *);
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EXTERNL int NC_NOTNC4_inq_dimids(int, int *, int *, int);
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EXTERNL int NC_NOTNC4_inq_typeids(int, int *, int *);
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EXTERNL int NC_NOTNC4_inq_user_type(int, nc_type, char *, size_t *,
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nc_type *, size_t *, int *);
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EXTERNL int NC_NOTNC4_def_var_quantize(int, int, int, int);
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EXTERNL int NC_NOTNC4_inq_var_quantize(int, int, int *, int *);
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/* These functions are for dispatch layers that don't implement
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* the enhanced model, but want to succeed anyway.
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* They return NC_NOERR plus properly set the out parameters.
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*/
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/* These functions are for dispatch layers that don't want to
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* implement the deprecated varm functions. They return
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* NC_ENOTNC3. */
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EXTERNL int NC_NOTNC3_get_varm(int ncid, int varid, const size_t *start,
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const size_t *edges, const ptrdiff_t *stride,
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const ptrdiff_t *imapp, void *value0, nc_type memtype);
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EXTERNL int NC_NOTNC3_put_varm(int ncid, int varid, const size_t * start,
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const size_t *edges, const ptrdiff_t *stride,
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const ptrdiff_t *imapp, const void *value0,
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nc_type memtype);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* NETCDF_DISPATCH_H */
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