diff --git a/configure b/configure
index 943d4c5d8f4..2d92f52b4c6 100755
--- a/configure
+++ b/configure
@@ -7589,7 +7589,7 @@ fi
 
 
 
-for ac_header in sys/mount.h sys/statfs.h sys/user.h sys/vfs.h
+for ac_header in sys/conf.h sys/mount.h sys/statfs.h sys/user.h sys/vfs.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "#include <sys/types.h>
diff --git a/configure.ac b/configure.ac
index 923d5e3b0f3..666219f5f36 100644
--- a/configure.ac
+++ b/configure.ac
@@ -540,7 +540,7 @@ AC_HEADER_STAT()
 
 dnl **** Checks for headers that depend on other ones ****
 
-AC_CHECK_HEADERS([sys/mount.h sys/statfs.h sys/user.h sys/vfs.h],,,
+AC_CHECK_HEADERS([sys/conf.h sys/mount.h sys/statfs.h sys/user.h sys/vfs.h],,,
     [#include <sys/types.h>
      #ifdef HAVE_SYS_PARAM_H
      # include <sys/param.h>
diff --git a/dlls/ntdll/unix/file.c b/dlls/ntdll/unix/file.c
index d12a3ffb119..d6a7b0c1550 100644
--- a/dlls/ntdll/unix/file.c
+++ b/dlls/ntdll/unix/file.c
@@ -99,6 +99,9 @@
 #ifdef HAVE_SYS_PARAM_H
 #include <sys/param.h>
 #endif
+#ifdef HAVE_SYS_CONF_H
+#include <sys/conf.h>
+#endif
 #ifdef HAVE_SYS_MOUNT_H
 #include <sys/mount.h>
 #endif
@@ -6065,6 +6068,31 @@ static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
             info->DeviceType = FILE_DEVICE_TAPE;
             break;
         }
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
+        {
+            int d_type;
+            if (ioctl(fd, FIODTYPE, &d_type) == 0)
+            {
+                switch(d_type)
+                {
+                case D_TAPE:
+                    info->DeviceType = FILE_DEVICE_TAPE;
+                    break;
+                case D_DISK:
+                    info->DeviceType = FILE_DEVICE_DISK;
+                    break;
+                case D_TTY:
+                    info->DeviceType = FILE_DEVICE_SERIAL_PORT;
+                    break;
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+                case D_MEM:
+                    info->DeviceType = FILE_DEVICE_NULL;
+                    break;
+#endif
+                }
+            /* no special d_type for parallel ports */
+            }
+        }
 #endif
     }
     else if (S_ISBLK( st.st_mode ))
diff --git a/include/config.h.in b/include/config.h.in
index 4adb6325e14..9b52424ae85 100644
--- a/include/config.h.in
+++ b/include/config.h.in
@@ -1001,6 +1001,9 @@
 /* Define to 1 if you have the <sys/cdio.h> header file. */
 #undef HAVE_SYS_CDIO_H
 
+/* Define to 1 if you have the <sys/conf.h> header file. */
+#undef HAVE_SYS_CONF_H
+
 /* Define to 1 if you have the <sys/epoll.h> header file. */
 #undef HAVE_SYS_EPOLL_H