* lib/stdio.in.h (_GL_ATTRIBUTE_DEALLOC_FREE): New macro, copied from
lib/string.in.h.
(free, rpl_free): Define as in lib/string.in.h.
(aprintf, vaprintf): New declarations.
* lib/vaprintf.c: New file, based on lib/xvasprintf.c.
* lib/aprintf.c: New file, based on lib/xasprintf.c.
* m4/stdio_h.m4 (gl_STDIO_H_REQUIRE_DEFAULTS): Initialize
GNULIB_VAPRINTF. Require gl_STDLIB_H_REQUIRE_DEFAULTS.
* modules/stdio-h (Depends-on): Add stdlib-h.
(Makefile.am): Substitute GNULIB_VAPRINTF, GNULIB_FREE_POSIX,
REPLACE_FREE.
* modules/vaprintf: New file.
Bruno Haible