--- /dev/null
+/* $Cambridge: exim/src/OS/os.h-SunOS5,v 1.1 2004/10/06 15:07:39 ph10 Exp $ */
+
+/* Exim: OS-specific C header file for SunOS5 aka Solaris */
+
+#define CRYPT_H
+#define HAVE_MMAP
+#define HAVE_SYS_STATVFS_H
+#define F_FAVAIL f_favail
+#define SIOCGIFCONF_GIVES_ADDR
+
+#define HAVE_GETIPNODEBYNAME 1
+#define HAVE_GETIPNODEBYADDR 1
+
+#define HAVE_KSTAT
+#define LOAD_AVG_KSTAT "system_misc"
+#define LOAD_AVG_KSTAT_MODULE "unix"
+#define LOAD_AVG_SYMBOL "avenrun_1min"
+#define LOAD_AVG_FIELD value.ui32
+
+#define os_strsignal strsignal
+#define OS_STRSIGNAL
+
+/* This is needed for some early Solaris releases, but causes trouble
+in the current ones, so it is out by default. */
+
+/* #define SOCKLEN_T size_t */
+
+/* This is different from Linux and all other PAM implementations,
+it seems. */
+
+#define PAM_CONVERSE_ARG2_TYPE struct pam_message
+
+/* End */