4.4BSD snapshot (revision 8.1); add 1993 to copyright
fread/fwrite return size_t
Add include files to get prototype declarations, and fix bugs found.
repair arguments (add const)
new stdio
added LIBC_SCCS condition for sccs ids
Add copyright
beware of divide by 0
get return value right.
don't call flsbuf for every char if line buffering.
don't sign extend character otherwise flsbuf can return EOF falsely
date and time created 84/05/29 13:51:09 by karels