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- AC_DEFUN([AC_MBSTATE_T],
- [
- AC_CHECK_HEADERS(stdlib.h)
- AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t,
- [AC_TRY_COMPILE([
- [mbstate_t x; return sizeof x;],
- ac_cv_type_mbstate_t=yes,
- ac_cv_type_mbstate_t=no)])
- if test $ac_cv_type_mbstate_t = no; then
- AC_DEFINE(mbstate_t, int,
- [Define to a type if <wchar.h> does not define.])
- fi])
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