netcdf.h

/*
 * Copyright 1993-1996 University Corporation for Atmospheric Research/Unidata
 * 
 * Portions of this software were developed by the Unidata Program at the 
 * University Corporation for Atmospheric Research.
 * 
 * Access and use of this software shall impose the following obligations
 * and understandings on the user. The user is granted the right, without
 * any fee or cost, to use, copy, modify, alter, enhance and distribute
 * this software, and any derivative works thereof, and its supporting
 * documentation for any purpose whatsoever, provided that this entire
 * notice appears in all copies of the software, derivative works and
 * supporting documentation.  Further, UCAR requests that the user credit
 * UCAR/Unidata in any publications that result from the use of this
 * software or in any product that includes this software. The names UCAR
 * and/or Unidata, however, may not be used in any advertising or publicity
 * to endorse or promote any products or commercial entity unless specific
 * written permission is obtained from UCAR/Unidata. The user also
 * understands that UCAR/Unidata is not obligated to provide the user with
 * any support, consulting, training or assistance of any kind with regard
 * to the use, operation and performance of this software nor to provide
 * the user with any updates, revisions, new versions or "bug fixes."
 * 
 * THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
 */
/* "$Id: netcdf.h,v 2.84 2004/09/14 13:41:22 ed Exp $" */

#ifndef _NETCDF_
#define _NETCDF_

#include <stddef.h> /* size_t, ptrdiff_t */
#include <errno.h>  /* netcdf functions sometimes return system errors */

#if defined(__cplusplus)
extern "C" {
#endif

  /*#define _FILE_OFFSET_BITS = 64
#define _LARGEFILE_SOURCE
#define _LAGREFILE64_SOURCE*/

/*
 *  The netcdf external data types
 */
typedef enum {
	NC_NAT =	0,	/* NAT = 'Not A Type' (c.f. NaN) */
	NC_BYTE =	1,	/* signed 1 byte integer */
	NC_CHAR =	2,	/* ISO/ASCII character */
	NC_SHORT =	3,	/* signed 2 byte integer */
	NC_INT =	4,	/* signed 4 byte integer */
	NC_FLOAT =	5,	/* single precision floating point number */
	NC_DOUBLE =	6	/* double precision floating point number */
} nc_type;


/*
 * 	Default fill values, used unless _FillValue attribute is set.
 * These values are stuffed into newly allocated space as appropriate.
 * The hope is that one might use these to notice that a particular datum
 * has not been set.
 */
#define NC_FILL_BYTE	((signed char)-127)
#define NC_FILL_CHAR	((char)0)
#define NC_FILL_SHORT	((short)-32767)
#define NC_FILL_INT	(-2147483647L)
#define NC_FILL_FLOAT	(9.9692099683868690e+36f) /* near 15 * 2^119 */
#define NC_FILL_DOUBLE	(9.9692099683868690e+36)


/*
 * The above values are defaults.
 * If you wish a variable to use a different value than the above
 * defaults, create an attribute with the same type as the variable
 * and the following reserved name. The value you give the attribute
 * will be used as the fill value for that variable.
 */
#define _FillValue	"_FillValue"


/*
 * 'mode' flags for nccreate and ncopen
 */
#define NC_NOWRITE	0	/* default is read only */
#define NC_WRITE    	0x1	/* read & write */
#define NC_CLOBBER	0
#define NC_NOCLOBBER	0x4	/* Don't destroy existing file on create */
#define NC_FILL		0	/* argument to ncsetfill to clear NC_NOFILL */
#define NC_NOFILL	0x100	/* Don't fill data section an records */
#define NC_LOCK		0x0400	/* Use locking if available */
#define NC_SHARE	0x0800	/* Share updates, limit cacheing */
#define NC_64BIT_OFFSET 0x0200  /* Use large (64-bit) file offsets */

/*
 * Starting with version 3.6, there are different format netCDF files.
 */
#define NC_FORMAT_CLASSIC 1
#define NC_FORMAT_64BIT   2

/*
 * Let nc__create() or nc__open() figure out
 * as suitable chunk size.
 */
#define NC_SIZEHINT_DEFAULT 0

/*
 * In nc__enddef(), align to the chunk size.
 */
#define NC_ALIGN_CHUNK ((size_t)(-1))

/*
 * 'size' argument to ncdimdef for an unlimited dimension
 */
#define NC_UNLIMITED 0L

/*
 * attribute id to put/get a global attribute
 */
#define NC_GLOBAL -1


/*
 * These maximums are enforced by the interface, to facilitate writing
 * applications and utilities.  However, nothing is statically allocated to
 * these sizes internally.
 */
#define NC_MAX_DIMS	512	 /* max dimensions per file */
#define NC_MAX_ATTRS	4096	 /* max global or per variable attributes */
#define NC_MAX_VARS	4096	 /* max variables per file */
#define NC_MAX_NAME	128	 /* max length of a name */
#define NC_MAX_VAR_DIMS	NC_MAX_DIMS /* max per variable dimensions */


/*
 * The netcdf version 3 functions all return integer error status.
 * These are the possible values, in addition to certain
 * values from the system errno.h.
 */

#define NC_ISSYSERR(err)	((err) > 0)

#define	NC_NOERR	0	/* No Error */

#define	NC_EBADID	(-33)	/* Not a netcdf id */
#define	NC_ENFILE	(-34)	/* Too many netcdfs open */
#define	NC_EEXIST	(-35)	/* netcdf file exists && NC_NOCLOBBER */
#define	NC_EINVAL	(-36)	/* Invalid Argument */
#define	NC_EPERM	(-37)	/* Write to read only */
#define	NC_ENOTINDEFINE	(-38)	/* Operation not allowed in data mode */
#define	NC_EINDEFINE	(-39)	/* Operation not allowed in define mode */
#define	NC_EINVALCOORDS	(-40)	/* Index exceeds dimension bound */
#define	NC_EMAXDIMS	(-41)	/* NC_MAX_DIMS exceeded */
#define	NC_ENAMEINUSE	(-42)	/* String match to name in use */
#define NC_ENOTATT	(-43)	/* Attribute not found */
#define	NC_EMAXATTS	(-44)	/* NC_MAX_ATTRS exceeded */
#define NC_EBADTYPE	(-45)	/* Not a netcdf data type */
#define NC_EBADDIM	(-46)	/* Invalid dimension id or name */
#define NC_EUNLIMPOS	(-47)	/* NC_UNLIMITED in the wrong index */
#define	NC_EMAXVARS	(-48)	/* NC_MAX_VARS exceeded */
#define NC_ENOTVAR	(-49)	/* Variable not found */
#define NC_EGLOBAL	(-50)	/* Action prohibited on NC_GLOBAL varid */
#define NC_ENOTNC	(-51)	/* Not a netcdf file */
#define NC_ESTS        	(-52)	/* In Fortran, string too short */
#define NC_EMAXNAME    	(-53)	/* NC_MAX_NAME exceeded */
#define NC_EUNLIMIT    	(-54)	/* NC_UNLIMITED size already in use */
#define NC_ENORECVARS  	(-55)	/* nc_rec op when there are no record vars */
#define NC_ECHAR	(-56)	/* Attempt to convert between text & numbers */
#define NC_EEDGE	(-57)	/* Edge+start exceeds dimension bound */
#define NC_ESTRIDE	(-58)	/* Illegal stride */
#define NC_EBADNAME	(-59)	/* Attribute or variable name
                                         contains illegal characters */
/* N.B. following must match value in ncx.h */
#define NC_ERANGE	(-60)	/* Math result not representable */
#define NC_ENOMEM	(-61)	/* Memory allocation (malloc) failure */

#define NC_EVARSIZE     (-62)   /* One or more variable sizes violate
				   format constraints */ 
#define NC_EDIMSIZE     (-63)   /* Invalid dimension size */
/*
 * The Interface
 */

/* Declaration modifiers for DLL support (MSC et al) */

#if defined(DLL_NETCDF) /* define when library is a DLL */
#  if defined(DLL_EXPORT) /* define when building the library */
#   define MSC_EXTRA __declspec(dllexport)
#  else
#   define MSC_EXTRA __declspec(dllimport)
#  endif
#include <io.h>
#define lseek _lseeki64
#define off_t __int64
#else
#define MSC_EXTRA
#endif	/* defined(DLL_NETCDF) */

# define EXTERNL extern MSC_EXTRA

#if defined(DLL_NETCDF) /* define when library is a DLL */
MSC_EXTRA int ncerr;
MSC_EXTRA int ncopts;
#endif

EXTERNL const char *
nc_inq_libvers(void);

EXTERNL const char *
nc_strerror(int ncerr);

EXTERNL int
nc__create(const char *path, int cmode, size_t initialsz,
	 size_t *chunksizehintp, int *ncidp);

EXTERNL int
nc_create(const char *path, int cmode, int *ncidp);

EXTERNL int
nc__open(const char *path, int mode, 
	size_t *chunksizehintp, int *ncidp);

EXTERNL int
nc_open(const char *path, int mode, int *ncidp);

EXTERNL int
nc_set_fill(int ncid, int fillmode, int *old_modep);

EXTERNL int
nc_set_default_format(int format, int *old_formatp);

EXTERNL int
nc_redef(int ncid);

EXTERNL int
nc__enddef(int ncid, size_t h_minfree, size_t v_align,
	size_t v_minfree, size_t r_align);

EXTERNL int
nc_enddef(int ncid);

EXTERNL int
nc_sync(int ncid);

EXTERNL int
nc_abort(int ncid);

EXTERNL int
nc_close(int ncid);

EXTERNL int
nc_inq(int ncid, int *ndimsp, int *nvarsp, int *nattsp, int *unlimdimidp);

EXTERNL int 
nc_inq_ndims(int ncid, int *ndimsp);

EXTERNL int 
nc_inq_nvars(int ncid, int *nvarsp);

EXTERNL int 
nc_inq_natts(int ncid, int *nattsp);

EXTERNL int 
nc_inq_unlimdim(int ncid, int *unlimdimidp);

/* Begin _dim */

EXTERNL int
nc_def_dim(int ncid, const char *name, size_t len, int *idp);

EXTERNL int
nc_inq_dimid(int ncid, const char *name, int *idp);

EXTERNL int
nc_inq_dim(int ncid, int dimid, char *name, size_t *lenp);

EXTERNL int 
nc_inq_dimname(int ncid, int dimid, char *name);

EXTERNL int 
nc_inq_dimlen(int ncid, int dimid, size_t *lenp);

EXTERNL int
nc_rename_dim(int ncid, int dimid, const char *name);

/* End _dim */
/* Begin _att */

EXTERNL int
nc_inq_att(int ncid, int varid, const char *name,
	 nc_type *xtypep, size_t *lenp);

EXTERNL int 
nc_inq_attid(int ncid, int varid, const char *name, int *idp);

EXTERNL int 
nc_inq_atttype(int ncid, int varid, const char *name, nc_type *xtypep);

EXTERNL int 
nc_inq_attlen(int ncid, int varid, const char *name, size_t *lenp);

EXTERNL int
nc_inq_attname(int ncid, int varid, int attnum, char *name);

EXTERNL int
nc_copy_att(int ncid_in, int varid_in, const char *name, int ncid_out, int varid_out);

EXTERNL int
nc_rename_att(int ncid, int varid, const char *name, const char *newname);

EXTERNL int
nc_del_att(int ncid, int varid, const char *name);

/* End _att */
/* Begin {put,get}_att */

EXTERNL int
nc_put_att_text(int ncid, int varid, const char *name,
	size_t len, const char *op);

EXTERNL int
nc_get_att_text(int ncid, int varid, const char *name, char *ip);

EXTERNL int
nc_put_att_uchar(int ncid, int varid, const char *name, nc_type xtype,
	size_t len, const unsigned char *op);

EXTERNL int
nc_get_att_uchar(int ncid, int varid, const char *name, unsigned char *ip);

EXTERNL int
nc_put_att_schar(int ncid, int varid, const char *name, nc_type xtype,
	size_t len, const signed char *op);

EXTERNL int
nc_get_att_schar(int ncid, int varid, const char *name, signed char *ip);

EXTERNL int
nc_put_att_short(int ncid, int varid, const char *name, nc_type xtype,
	size_t len, const short *op);

EXTERNL int
nc_get_att_short(int ncid, int varid, const char *name, short *ip);

EXTERNL int
nc_put_att_int(int ncid, int varid, const char *name, nc_type xtype,
	size_t len, const int *op);

EXTERNL int
nc_get_att_int(int ncid, int varid, const char *name, int *ip);

EXTERNL int
nc_put_att_long(int ncid, int varid, const char *name, nc_type xtype,
	size_t len, const long *op);

EXTERNL int
nc_get_att_long(int ncid, int varid, const char *name, long *ip);

EXTERNL int
nc_put_att_float(int ncid, int varid, const char *name, nc_type xtype,
	size_t len, const float *op);

EXTERNL int
nc_get_att_float(int ncid, int varid, const char *name, float *ip);

EXTERNL int
nc_put_att_double(int ncid, int varid, const char *name, nc_type xtype,
	size_t len, const double *op);

EXTERNL int
nc_get_att_double(int ncid, int varid, const char *name, double *ip);

/* End {put,get}_att */
/* Begin _var */

EXTERNL int
nc_def_var(int ncid, const char *name,
	 nc_type xtype, int ndims, const int *dimidsp, int *varidp);

EXTERNL int
nc_inq_var(int ncid, int varid, char *name,
	 nc_type *xtypep, int *ndimsp, int *dimidsp, int *nattsp);

EXTERNL int
nc_inq_varid(int ncid, const char *name, int *varidp);

EXTERNL int 
nc_inq_varname(int ncid, int varid, char *name);

EXTERNL int 
nc_inq_vartype(int ncid, int varid, nc_type *xtypep);

EXTERNL int 
nc_inq_varndims(int ncid, int varid, int *ndimsp);

EXTERNL int 
nc_inq_vardimid(int ncid, int varid, int *dimidsp);

EXTERNL int 
nc_inq_varnatts(int ncid, int varid, int *nattsp);

EXTERNL int
nc_rename_var(int ncid, int varid, const char *name);

EXTERNL int
nc_copy_var(int ncid_in, int varid, int ncid_out);
#ifndef ncvarcpy
/* support the old name for now */
#define ncvarcpy(ncid_in, varid, ncid_out) ncvarcopy((ncid_in), (varid), (ncid_out))
#endif

/* End _var */
/* Begin {put,get}_var1 */

EXTERNL int
nc_put_var1_text(int ncid, int varid, const size_t *indexp, const char *op);

EXTERNL int
nc_get_var1_text(int ncid, int varid, const size_t *indexp, char *ip);

EXTERNL int
nc_put_var1_uchar(int ncid, int varid, const size_t *indexp,
	const unsigned char *op);

EXTERNL int
nc_get_var1_uchar(int ncid, int varid, const size_t *indexp,
	unsigned char *ip);

EXTERNL int
nc_put_var1_schar(int ncid, int varid, const size_t *indexp,
	const signed char *op);

EXTERNL int
nc_get_var1_schar(int ncid, int varid, const size_t *indexp,
	signed char *ip);

EXTERNL int
nc_put_var1_short(int ncid, int varid, const size_t *indexp,
	const short *op);

EXTERNL int
nc_get_var1_short(int ncid, int varid, const size_t *indexp,
	short *ip);

EXTERNL int
nc_put_var1_int(int ncid, int varid, const size_t *indexp, const int *op);

EXTERNL int
nc_get_var1_int(int ncid, int varid, const size_t *indexp, int *ip);

EXTERNL int
nc_put_var1_long(int ncid, int varid, const size_t *indexp, const long *op);

EXTERNL int
nc_get_var1_long(int ncid, int varid, const size_t *indexp, long *ip);

EXTERNL int
nc_put_var1_float(int ncid, int varid, const size_t *indexp, const float *op);

EXTERNL int
nc_get_var1_float(int ncid, int varid, const size_t *indexp, float *ip);

EXTERNL int
nc_put_var1_double(int ncid, int varid, const size_t *indexp, const double *op);

EXTERNL int
nc_get_var1_double(int ncid, int varid, const size_t *indexp, double *ip);

/* End {put,get}_var1 */
/* Begin {put,get}_vara */

EXTERNL int
nc_put_vara_text(int ncid, int varid,
	const size_t *startp, const size_t *countp, const char *op);

EXTERNL int
nc_get_vara_text(int ncid, int varid,
	const size_t *startp, const size_t *countp, char *ip);

EXTERNL int
nc_put_vara_uchar(int ncid, int varid,
	const size_t *startp, const size_t *countp, const unsigned char *op);

EXTERNL int
nc_get_vara_uchar(int ncid, int varid,
	const size_t *startp, const size_t *countp, unsigned char *ip);

EXTERNL int
nc_put_vara_schar(int ncid, int varid,
	const size_t *startp, const size_t *countp, const signed char *op);

EXTERNL int
nc_get_vara_schar(int ncid, int varid,
	const size_t *startp, const size_t *countp, signed char *ip);

EXTERNL int
nc_put_vara_short(int ncid, int varid,
	const size_t *startp, const size_t *countp, const short *op);

EXTERNL int
nc_get_vara_short(int ncid, int varid,
	const size_t *startp, const size_t *countp, short *ip);

EXTERNL int
nc_put_vara_int(int ncid, int varid,
	const size_t *startp, const size_t *countp, const int *op);

EXTERNL int
nc_get_vara_int(int ncid, int varid,
	const size_t *startp, const size_t *countp, int *ip);

EXTERNL int
nc_put_vara_long(int ncid, int varid,
	const size_t *startp, const size_t *countp, const long *op);

EXTERNL int
nc_get_vara_long(int ncid, int varid,
	const size_t *startp, const size_t *countp, long *ip);

EXTERNL int
nc_put_vara_float(int ncid, int varid,
	const size_t *startp, const size_t *countp, const float *op);

EXTERNL int
nc_get_vara_float(int ncid, int varid,
	const size_t *startp, const size_t *countp, float *ip);

EXTERNL int
nc_put_vara_double(int ncid, int varid,
	const size_t *startp, const size_t *countp, const double *op);

EXTERNL int
nc_get_vara_double(int ncid, int varid,
	const size_t *startp, const size_t *countp, double *ip);

/* End {put,get}_vara */
/* Begin {put,get}_vars */

EXTERNL int
nc_put_vars_text(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const char *op);

EXTERNL int
nc_get_vars_text(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	char *ip);

EXTERNL int
nc_put_vars_uchar(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const unsigned char *op);

EXTERNL int
nc_get_vars_uchar(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	unsigned char *ip);

EXTERNL int
nc_put_vars_schar(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const signed char *op);

EXTERNL int
nc_get_vars_schar(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	signed char *ip);

EXTERNL int
nc_put_vars_short(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const short *op);

EXTERNL int
nc_get_vars_short(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	short *ip);

EXTERNL int
nc_put_vars_int(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const int *op);

EXTERNL int
nc_get_vars_int(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	int *ip);

EXTERNL int
nc_put_vars_long(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const long *op);

EXTERNL int
nc_get_vars_long(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	long *ip);

EXTERNL int
nc_put_vars_float(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const float *op);

EXTERNL int
nc_get_vars_float(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	float *ip);

EXTERNL int
nc_put_vars_double(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const double *op);

EXTERNL int
nc_get_vars_double(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	double *ip);

/* End {put,get}_vars */
/* Begin {put,get}_varm */

EXTERNL int
nc_put_varm_text(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	const char *op);

EXTERNL int
nc_get_varm_text(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	char *ip);

EXTERNL int
nc_put_varm_uchar(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	const unsigned char *op);

EXTERNL int
nc_get_varm_uchar(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	unsigned char *ip);

EXTERNL int
nc_put_varm_schar(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	const signed char *op);

EXTERNL int
nc_get_varm_schar(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	signed char *ip);

EXTERNL int
nc_put_varm_short(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	const short *op);

EXTERNL int
nc_get_varm_short(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	short *ip);

EXTERNL int
nc_put_varm_int(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	const int *op);

EXTERNL int
nc_get_varm_int(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	int *ip);

EXTERNL int
nc_put_varm_long(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	const long *op);

EXTERNL int
nc_get_varm_long(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	long *ip);

EXTERNL int
nc_put_varm_float(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	const float *op);

EXTERNL int
nc_get_varm_float(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	float *ip);

EXTERNL int
nc_put_varm_double(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t *imapp, 
	const double *op);

EXTERNL int
nc_get_varm_double(int ncid, int varid,
	const size_t *startp, const size_t *countp, const ptrdiff_t *stridep,
	const ptrdiff_t * imap, 
	double *ip);

/* End {put,get}_varm */
/* Begin {put,get}_var */

EXTERNL int
nc_put_var_text(int ncid, int varid, const char *op);

EXTERNL int
nc_get_var_text(int ncid, int varid, char *ip);

EXTERNL int
nc_put_var_uchar(int ncid, int varid, const unsigned char *op);

EXTERNL int
nc_get_var_uchar(int ncid, int varid, unsigned char *ip);

EXTERNL int
nc_put_var_schar(int ncid, int varid, const signed char *op);

EXTERNL int
nc_get_var_schar(int ncid, int varid, signed char *ip);

EXTERNL int
nc_put_var_short(int ncid, int varid, const short *op);

EXTERNL int
nc_get_var_short(int ncid, int varid, short *ip);

EXTERNL int
nc_put_var_int(int ncid, int varid, const int *op);

EXTERNL int
nc_get_var_int(int ncid, int varid, int *ip);

EXTERNL int
nc_put_var_long(int ncid, int varid, const long *op);

EXTERNL int
nc_get_var_long(int ncid, int varid, long *ip);

EXTERNL int
nc_put_var_float(int ncid, int varid, const float *op);

EXTERNL int
nc_get_var_float(int ncid, int varid, float *ip);

EXTERNL int
nc_put_var_double(int ncid, int varid, const double *op);

EXTERNL int
nc_get_var_double(int ncid, int varid, double *ip);

/* End {put,get}_var */

/* #ifdef _CRAYMPP */
/*
 * Public interfaces to better support
 * CRAY multi-processor systems like T3E.
 * A tip of the hat to NERSC.
 */
/*
 * It turns out we need to declare and define
 * these public interfaces on all platforms
 * or things get ugly working out the
 * FORTRAN interface. On !_CRAYMPP platforms,
 * these functions work as advertised, but you
 * can only use "processor element" 0.
 */

EXTERNL int
nc__create_mp(const char *path, int cmode, size_t initialsz, int basepe,
	 size_t *chunksizehintp, int *ncidp);

EXTERNL int
nc__open_mp(const char *path, int mode, int basepe,
	size_t *chunksizehintp, int *ncidp);

EXTERNL int
nc_delete(const char * path);

EXTERNL int
nc_delete_mp(const char * path, int basepe);

EXTERNL int
nc_set_base_pe(int ncid, int pe);

EXTERNL int
nc_inq_base_pe(int ncid, int *pe);

/* #endif _CRAYMPP */

/* Begin v2.4 backward compatiblity */
/*
 * defining NO_NETCDF_2 to the preprocessor
 * turns off backward compatiblity declarations.
 */
#ifndef NO_NETCDF_2

/*
 * Backward compatible aliases
 */
#define FILL_BYTE	NC_FILL_BYTE
#define FILL_CHAR	NC_FILL_CHAR
#define FILL_SHORT	NC_FILL_SHORT
#define FILL_LONG	NC_FILL_INT
#define FILL_FLOAT	NC_FILL_FLOAT
#define FILL_DOUBLE	NC_FILL_DOUBLE

#define MAX_NC_DIMS	NC_MAX_DIMS
#define MAX_NC_ATTRS	NC_MAX_ATTRS
#define MAX_NC_VARS	NC_MAX_VARS
#define MAX_NC_NAME	NC_MAX_NAME
#define MAX_VAR_DIMS	NC_MAX_VAR_DIMS

/*
 * If and when 64 integer types become ubiquitous,
 * we would like to use NC_LONG for that. 
 * For now, define for backward compatibility.
 */
#define NC_LONG NC_INT

/*
 * Global error status
 */
EXTERNL int ncerr;

#define NC_ENTOOL       NC_EMAXNAME   /* Backward compatibility */
#define	NC_EXDR		(-32)	/* */
#define	NC_SYSERR	(-31)

/*
 * Avoid use of this meaningless macro
 * Use sysconf(_SC_OPEN_MAX).
 */
#ifndef MAX_NC_OPEN
#define MAX_NC_OPEN 32
#endif

/*
 * Global options variable.
 * Used to determine behavior of error handler.
 */
#define	NC_FATAL	1
#define	NC_VERBOSE	2

EXTERNL int ncopts;	/* default is (NC_FATAL | NC_VERBOSE) */

EXTERNL void
nc_advise(const char *cdf_routine_name, int err, const char *fmt,...);

/*
 * C data type corresponding to a netCDF NC_LONG argument,
 * a signed 32 bit object.
 * 
 * This is the only thing in this file which architecture dependent.
 */
typedef int nclong;

EXTERNL int
nctypelen(nc_type datatype);

EXTERNL int
nccreate(const char* path, int cmode);

EXTERNL int
ncopen(const char* path, int mode);

EXTERNL int
ncsetfill(int ncid, int fillmode);

EXTERNL int
ncredef(int ncid);

EXTERNL int
ncendef(int ncid);

EXTERNL int
ncsync(int ncid);

EXTERNL int
ncabort(int ncid);

EXTERNL int
ncclose(int ncid);

EXTERNL int
ncinquire(int ncid, int *ndimsp, int *nvarsp, int *nattsp, int *unlimdimp);

EXTERNL int
ncdimdef(int ncid, const char *name, long len);

EXTERNL int
ncdimid(int ncid, const char *name);

EXTERNL int
ncdiminq(int ncid, int dimid, char *name, long *lenp);

EXTERNL int
ncdimrename(int ncid, int dimid, const char *name);

EXTERNL int
ncattput(int ncid, int varid, const char *name, nc_type xtype,
	int len, const void *op);

EXTERNL int
ncattinq(int ncid, int varid, const char *name, nc_type *xtypep, int *lenp);

EXTERNL int
ncattget(int ncid, int varid, const char *name, void *ip);

EXTERNL int
ncattcopy(int ncid_in, int varid_in, const char *name, int ncid_out,
	int varid_out);

EXTERNL int
ncattname(int ncid, int varid, int attnum, char *name);

EXTERNL int
ncattrename(int ncid, int varid, const char *name, const char *newname);

EXTERNL int
ncattdel(int ncid, int varid, const char *name);

EXTERNL int
ncvardef(int ncid, const char *name, nc_type xtype,
	int ndims, const int *dimidsp);

EXTERNL int
ncvarid(int ncid, const char *name);

EXTERNL int
ncvarinq(int ncid, int varid, char *name, nc_type *xtypep,
	int *ndimsp, int *dimidsp, int *nattsp);

EXTERNL int
ncvarput1(int ncid, int varid, const long *indexp, const void *op);

EXTERNL int
ncvarget1(int ncid, int varid, const long *indexp, void *ip);

EXTERNL int
ncvarput(int ncid, int varid, const long *startp, const long *countp,
	const void *op);

EXTERNL int
ncvarget(int ncid, int varid, const long *startp, const long *countp, 
	void *ip);

EXTERNL int
ncvarputs(int ncid, int varid, const long *startp, const long *countp,
	const long *stridep, const void *op);

EXTERNL int
ncvargets(int ncid, int varid, const long *startp, const long *countp,
	const long *stridep, void *ip);

EXTERNL int
ncvarputg(int ncid, int varid, const long *startp, const long *countp,
	const long *stridep, const long *imapp, const void *op);

EXTERNL int
ncvargetg(int ncid, int varid, const long *startp, const long *countp,
	const long *stridep, const long *imapp, void *ip);

EXTERNL int
ncvarrename(int ncid, int varid, const char *name);

EXTERNL int
ncrecinq(int ncid, int *nrecvarsp, int *recvaridsp, long *recsizesp);

EXTERNL int
ncrecget(int ncid, long recnum, void **datap);

EXTERNL int
ncrecput(int ncid, long recnum, void *const *datap);

/* End v2.4 backward compatiblity */
#endif /*!NO_NETCDF_2*/

#if defined(__cplusplus)
}
#endif

#endif /* _NETCDF_ */