cdb_free − close a constant databased
#include <libowfat/cdb.h>
int cdb_free(struct cdb *c);
cdb_free removes any memory mapping that cdb_init might have established.
It will not close the file descriptor that you passed to cdb_init or attempt to call free() on the struct cdb pointer.
cdb_free(3), cdb_read(3), cdb_find(3), cdbmake(1)