239 static off_t bufoffset;		/* Read offset; defined on regular files.  */  variable
322 	bufoffset = 0;  in reset()
325 	  bufoffset = lseek (fd, 0, SEEK_CUR);  in reset()
326 	  if (bufoffset < 0)  in reset()
333       initial_bufoffset = bufoffset;  in reset()
334       bufmapped = mmap_option && bufoffset % pagesize == 0;  in reset()
386 	  off_t to_be_read = stats->stat.st_size - bufoffset;  in fillbuf()
421       if (stats->stat.st_size - bufoffset < mmapsize)  in fillbuf()
423 	  mmapsize = stats->stat.st_size - bufoffset;  in fillbuf()
430 		    bufdesc, bufoffset)  in fillbuf()
446 	  if (bufoffset != initial_bufoffset  in fillbuf()
447 	      && lseek (bufdesc, bufoffset, SEEK_SET) < 0)  in fillbuf()
495   bufoffset += fillsize;  in fillbuf()
737       after_last_match = bufoffset - (buflim - p);  in prtext()
776 	      after_last_match = bufoffset - (buflim - endp);  in grepbuf()
1035 	  off_t required_offset = outleft ? bufoffset : after_last_match;  in grepfile()
1036 	  if ((bufmapped || required_offset != bufoffset)  in grepfile()