Descriptor concepts

• Descriptor basics
  This document describes buffer descriptors, heap descriptors, pointer descriptors and resizable buffer descriptors.
• Text and binary data
  Describes how C strings are handled in text and binary data.
• 8 bit variant, 16 bit variant and build independence
  This document describes 8 bit variant, 16 bit variant and build independence.
• Length, maximum length and size
  Describes the length of 8-bit and 16-bit descriptors.
• Folding and collation (comparing strings)
  Describes descriptor folding and descriptor collation.
• Safe data access
  Describes how the parameters that are passed to the descriptors are checked to ensure the they are not accessing illegal data.