Data Structures

Here are the data structures with brief descriptions:

backfunc_s	Backend function pointer encapsulating structure
MD5Context	This structure will hold context information for the hashing operation
modopt_s	A C-strucutre which represents a database connection
modopts_s	A C-strucutre which represents a collection of database connections
pam_modopt_s	A C-strucutre which represents the global pam-module configuration
SHA1Context	This structure will hold context information for the hashing operation