* libc/include/math.h (HUGE_VALF, HUGE_VALL): New.
* libm/common/Makefile.am: Add s_infconst.c support.
* libm/common/Makefile.in: Regenerated.
* libm/common/s_infconst.c: New file with float and
long double infinity support added.
* libm/math/Makefile.am: Remove s_infconst.c support.
* libm/math/Makefile.in: Regenerated.
* libm/math/s_infconst.c: Moved to common directory.
* libm/mathfp/Makefile.am: Remove s_infconst.c support.
* libm/mathfp/Makefile.in: Regenerated.
* libm/mathfp/s_infconst.c: Moved to common directory.
* libm/common/Makefile.am (doc): Do not append to $(TARGETDOC).
* libm/common/Makefile.in: Regenerate.
* libm/common/common.tex: Delete file.
* libm/math/math.tex: Include .def files from common/.
* libm/mathfp/mathfp.tex: Likewise.
* libc/include/sys/_types.h: Define _ssize_t as int if int is
32-bits, otherwise define it as long.
* libc/include/sys/types.h: Include <_ansi.h> and <sys/_types.h>
and define ssize_t as _ssize_t.
* libc/reent/readr.c: Change return type to _ssize_t.
* libc/reent/writer.c: Ditto.
* libc/sys/linux/Makefile.am: Add aio.c.
* libc/sys/linux/Makefile.in: Regenerated.
* libc/sys/linux/aio.c: New file.
* libc/sys/linux/sys/cdefs.h: Add __restrict_arr definition.
* libm/common/fdlibm.h: Undef __P before defining it.
* libc/include/math.h: Remove <sys/types.h>.
(__dmath): Use __ULong instead of _uint32_t.
* libc/include/sys/reent.h: If long or int is not 32-bits,
include <sys/types.h> to get definitions for _int32_t and _uint32_t.
* libc/stdlib/mprec.h: Include <sys/types.h> to get integer defs.
* libm/common/fdlibm.h: Ditto.