smdb_lock_file
extern int smdb_lock_file __P((int *, char *, int, long, char *));
result = smdb_lock_file(&lock_fd, db_name, mode, sff,
result = smdb_lock_file(&lock_fd, db_name, mode, sff,
result = smdb_lock_file(&lock_fd, db_name, mode, sff,
result = smdb_lock_file(&pag_fd, db_name, mode, sff,