ISNULLBLOCKID - Test a BLOCKID for NULL.
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#include <pool.h>
BOOL ISNULLBLOCKID(
BLOCKID x);
Description :
ISNULLBLOCKID is used to check a BLOCKID to see if it is NULL (empty).
This function is actually implemented as a macro:
#define ISNULLBLOCKID(x) (((x).pool==NULLHANDLE)&&((x).block==NULLBLOCK))
Parameters :
Input :
x - The BLOCKID to test for NULL
Output :
(routine) - TRUE if the specified BLOCKID is NULL, FALSE otherwise.
See Also :
NSFItemAppendByBLOCKID
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