Calling C api's for a hdf lib

Hi
I am trying to call a function in c library. Here is its basic info

Name: H5Fcreate
Signature:
hid_t H5Fcreate(const char *name, unsigned flags, hid_t create_id, hid_t
access_id )

I want to give values to the flags parameter but am not sure what I
should
put in there. Here is an extract out of the .h file and following that
my
interpretation of the api.

/*
 * These are the bits that can be passed to the `flags' argument of
 * H5Fcreate() and H5Fopen(). Use the bit-wise OR operator (|) to
combine
 * them as needed.  As a side effect, they call H5check_version() to
make
sure
 * that the application is compiled with a version of the hdf5 header
files
 * which are compatible with the library to which the application is
linked.
 * We're assuming that these constants are used rather early in the hdf5
 * session.
 */
#define H5F_ACC_RDONLY (H5check(),0x0000u) /*absence of rdwr => rd-only
*/
#define H5F_ACC_RDWR (H5check(),0x0001u) /*open for read and write    */
#define H5F_ACC_TRUNC (H5check(),0x0002u) /*overwrite existing files
*/
#define H5F_ACC_EXCL (H5check(),0x0004u) /*fail if file already exists*/
#define H5F_ACC_DEBUG (H5check(),0x0008u) /*print debug info      */
#define H5F_ACC_CREAT (H5check(),0x0010u) /*create non-existing files
*/

function
D_H5FCreate(name:pchar;flags:integer;createid,accessid:integer):integer;
cdec
l;external 'hdf5dll.dll' name 'H5Fcreate';

I can call the function and it works well but I have no idea what the
flags
value should be.

Must I in some way use this constants defined in the .h file or can I
just
use my own. I would presume using the predefined constancts would be
best as that automatically calls the H5check function.

Groete

Gerhardus Geldenhuis
Chief Technical Assistant
Reactor Theory(NECSA)
[email protected] 
Mobile +27 83 784 7664
Office +27 12 305 5600 

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