debian man page for cdb_read

cdb_read(3)						     Library Functions Manual						       cdb_read(3)

NAME
       cdb_read - read bytes from a constant database

SYNTAX
       #include <cdb.h>
       #include <uint32.h>

       int cdb_read(struct cdb *c,char *buf,unsigned long int len,uint32 position);

DESCRIPTION
       cdb_read  reads	len  bytes  starting at position from c to buf.  You can use cdb_datapos or cdb_keypos to get position and cdb_datalen and
       cdb_keylen to get len.

       buf needs to point to a memory region large enough to hold len bytes.

RETURN VALUE
       cdb_read returns 0 if everything went well, or -1 on error (setting errno appropriately.

SEE ALSO
       cdb_find(3), cdb_init(3), cdb_free(3), cdbmake(1)

																       cdb_read(3)