[M3commit] CVS Update: cm3

[Jay Krell]

CVSROOT:	/usr/cvs
Changes by:	jkrell at birch.	10/05/20 16:50:32

Modified files:
	cm3/m3-libs/m3core/src/: m3core.h 
	cm3/m3-libs/m3core/src/Csupport/Common/: dtoa.h hand.c 
	cm3/m3-libs/m3core/src/thread/PTHREAD/: ThreadApple.c 
	                                        ThreadFreeBSD.c 
	                                        ThreadPThreadC.c 
	cm3/m3-libs/m3core/src/unix/Common/: Uconstants.c UnixC.c 
	                                     UnixLink.c UstatC.c 

Log message:
	somewhat explicit visibility (#pragma isn't exactly explicit)
	and reduce visibility esp. in ThreadPThread.c
	"visibility" -- whether or not something is exported