ALIGN_TO          449 src/grep.c           bufalloc = ALIGN_TO (INITIAL_BUFSIZE, pagesize) + pagesize + 1;
ALIGN_TO          453 src/grep.c       bufbeg = buflim = ALIGN_TO (buffer + 1, pagesize);
ALIGN_TO          538 src/grep.c           readbuf = ALIGN_TO (newbuf + 1 + save, pagesize);