5 dnl This is a specialization of AC_CHECK_TYPE applied to `ssize_t' with
6 dnl the difference that it also includes unistd.h on systems that have it.
7 dnl On Fujitsu UXP/V systems ssize_t is defined in unistd.h.
8 AC_DEFUN(AC_TYPE_SSIZE_T,
10 AC_CHECK_HEADERS(unistd.h)
11 AC_CHECK_TYPE(ssize_t, int,
13 #include <sys/types.h>