Commit 7c0971900b114a82fc362b5178ec9a4a2865dbbf

Eric Blake 2007-10-22T14:09:16

Also wrap vf?printf. * lib/xprintf.h (xvprintf, xvfprintf): New declarations. * lib/xprintf.c (xprintf, xfprintf): Work for C89. (xvprintf, xvfprintf): New functions. Signed-off-by: Eric Blake <ebb9@byu.net>