filechanged
extern bool filechanged __P((char *, int, struct stat *));
return filechanged(db_file_name, db_fd, stat_info);
if (filechanged(fn, fd, &stb))
if (filechanged(realfile, sm_io_getinfo(f, SM_IO_WHAT_FD, NULL),
if (filechanged(dirfile, dfd, &std) ||
filechanged(pagfile, pfd, &stp))
if (filechanged(buf, fd, &st))
if (filechanged(buf, fd, &st))
else if (filechanged(fname, sm_io_getinfo(fp,SM_IO_WHAT_FD, NULL), &st))