smdb_filechanged
extern int smdb_filechanged __P((char *, char *, int,
result = smdb_filechanged(db_name, SMDB1_FILE_EXTENSION, db_fd,
result = smdb_filechanged(db_name, SMDB2_FILE_EXTENSION, db_fd,
result = smdb_filechanged(db_name, SMNDB_DIR_FILE_EXTENSION,
result = smdb_filechanged(db_name,