4.4BSD snapshot (revision 8.1); add 1993 to copyright
Add include files to get prototype declarations, and fix bugs found.
new copyright notice
remove last vestige of AT&T code; it was really gone long ago
long/int bug; bug report 4.3BSD/lib/27
added LIBC_SCCS condition for sccs ids
Add copyright
minor race problem
minor bugfix (avoid unlikely race)
don't use setjmp/longjmp, or problems if an interrupt routinedoes a lonjmp before the timer goes off.
include fixes
beware of signals other than SIGALRM interrupting sigpause; also when alarm overlaps previous, use 1 sec reset value to allow time to return
modernized
date and time created 80/12/21 16:40:06 by wnj