AC_CHECK_HEADERS_ONCE([wchar.h wctype.h])
AC_CHECK_FUNCS_ONCE([iswprint wcwidth])
AC_CHECK_DECLS([wcwidth], [], [], [
/* AIX 3.2.5 declares wcwidth in <string.h>. */
AC_CHECK_HEADERS_ONCE([wchar.h wctype.h])
AC_CHECK_FUNCS_ONCE([iswprint wcwidth])
AC_CHECK_DECLS([wcwidth], [], [], [
/* AIX 3.2.5 declares wcwidth in <string.h>. */