libc resolv/res_data.c resolv/res_libc.c resol ...

[roland@sources.redhat.com]

CVSROOT:	/cvs/glibc
Module name:	libc
Changes by:	roland@sources.redhat.com	2002-08-01 20:31:07

Modified files:
	resolv         : res_data.c res_libc.c resolv.h 
	include        : resolv.h 

Log message:
	2002-07-30  Roland McGrath  <roland@redhat.com>
	
	* resolv/resolv.h (_res): Define macro unconditionally.
	[! _LIBC_REENTRANT] (_res): Move this conditional decl to ...
	* include/resolv.h: ... here.
	[USE_TLS && HAVE___THREAD] (_res): #undef it and declare
	as a __thread variable.
	* resolv/res_libc.c [USE_TLS && HAVE___THREAD] (_res): Define it as
	a __thread variable instead of a global.
	* resolv/res_data.c [_LIBC]: Don't #undef _res.