mirror of
https://github.com/Unidata/netcdf-c.git
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4c92fc3405
Partially address: https://github.com/Unidata/netcdf-c/issues/1056 Currently, some of the entries in the dispatch table are conditional'd on USE_NETCDF4. As a step in upgrading the dispatch table for use with user-defined tables, we remove that conditional. This means that all dispatch tables must implement the netcdf-4 specific functions even if only to make them return NC_ENOTNC4. To simplify this, a set of default functions are defined in libdispatch/dnotnc4.c to provide this behavior. The file libdispatch/dnotnc3.c is also relevant to this. The primary fix is to modify the various dispatch tables to remove the conditional and use the functions in libdispatch/dnotnc4.c as appropriate. In practice, all of the existing tables are prepared to handle this, so the only real change is to remove the conditionals. Misc. Unrelated fixes 1. Fix some annoying warnings in ncvalidator. Notes: 1. This has not been tested with either pnetcdf or hdf4 enabled. When those are enabled, it is possible that there are still some conditionals that need to be fixed.
200 lines
9.6 KiB
C
200 lines
9.6 KiB
C
/* Copyright 2019 University Corporation for Atmospheric
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Research/Unidata. */
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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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#include "netcdf.h"
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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 (*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, NC *ncp);
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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, NC *ncp);
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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_base_pe)(int, int *);
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int (*set_base_pe)(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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};
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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*, NC*);
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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 these
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* legacy functions. They return NC_ENOTNC3. */
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EXTERNL int NC_NOTNC3_set_base_pe(int ncid, int pe);
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EXTERNL int NC_NOTNC3_inq_base_pe(int ncid, int *pe);
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/* These functions are for dispatch layers that don't implement the
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* 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_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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#endif /* NETCDF_DISPATCH_H */
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