ab090aa7 Thu Feb 22 20:26:24 GMT 1990 karels <karels@65305748-3e16-e211-a854-8c89a5c6f760> move ISSIG to signal.h (and rename to CURSIG); move filesys stuff together under existing heading; use inline min/max instead of macros; delete DEV_BSIZE/BLKDEV_IOSIZE comments (constants aren't here, and comments are wrong)