bfd.info: Creating and Freeing a Hash Table

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Creating and freeing a hash table

   To create a hash table, create an instance of a `struct
bfd_hash_table' (defined in `bfd.h') and call `bfd_hash_table_init' (if
you know approximately how many entries you will need, the function
`bfd_hash_table_init_n', which takes a SIZE argument, may be used).
`bfd_hash_table_init' returns `false' if some sort of error occurs.
   The function `bfd_hash_table_init' take as an argument a function to
use to create new entries.  For a basic hash table, use the function
`bfd_hash_newfunc'.  *Note Deriving a New Hash Table Type::, for why
you would want to use a different value for this argument.
   `bfd_hash_table_init' will create an objalloc which will be used to
allocate new entries.  You may allocate memory on this objalloc using
`bfd_hash_allocate'.
   Use `bfd_hash_table_free' to free up all the memory that has been
allocated for a hash table.  This will not free up the `struct
bfd_hash_table' itself, which you must provide.