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dnl Checks for type ssize_t
dnl Defines HAVE_SSIZE_T on success.
AC_DEFUN([AC_TYPE_SSIZE_T],
[AC_CACHE_CHECK([for type ssize_t], ac_cv_type_ssize_t,
[AC_TRY_COMPILE([#include <sys/types.h>], [ssize_t s;],
[ac_cv_type_ssize_t=yes],
[ac_cv_type_ssize_t=no])])
if test $ac_cv_type_ssize_t = yes; then
AC_DEFINE(HAVE_SSIZE_T, 1, [Define if you have ssize_t])
else
AC_DEFINE(NO_SSIZE_T, 1, [Define if you don't have ssize_t])
fi])
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