5
AC_DEFUN([jm_FUNC_MBRTOWC],
7
AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
11
[mbstate_t state; return ! (sizeof state && mbrtowc);],
12
jm_cv_func_mbrtowc=yes,
13
jm_cv_func_mbrtowc=no)])
14
if test $jm_cv_func_mbrtowc = yes; then
15
AC_DEFINE(HAVE_MBRTOWC, 1,
16
[Define to 1 if mbrtowc and mbstate_t are properly declared.])