HAVE_ISBLANK       45 maint/gnulib/lib/ctype.in.h # if !@HAVE_ISBLANK@
HAVE_ISBLANK       89 maint/gnulib/lib/dfa.c #if !defined isblank && !defined HAVE_ISBLANK && !defined GNULIB_ISBLANK
HAVE_ISBLANK       80 maint/gnulib/lib/regex_internal.h #if !defined _LIBC && ! (defined isblank || (HAVE_ISBLANK && HAVE_DECL_ISBLANK))