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2.9 Low-Level Interfaces
The low-level HDF interface consists of the H interface, the HL/HX interface and the HE interface.
2.9.1 The H Interface
The low-level H interface builds and manipulates data objects in an HDF file. A thorough explanation of each H interface routine can be found in the HDF Specification and Developer's Guide. Table 2K lists and briefly describes the H interface routines that are most commonly used in HDF applications.
TABLE 2K Some H Interface Routines
2.9.2 The HX Interface
The HX interface routines create and maintain linked and external data elements. A thorough explanation of each HX interface routine can be found in the HDF Specification and Developer's Guide.
2.9.3 The HE Interface
The HE interface routines provide error handling functionality. The HE interface routines are described in the HDF Specification and Developer's Guide and Chapter 12, titled Error Reporting.
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HDF User's Guide - 06/04/97, NCSA HDF
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