diff --git a/include/sane/config.h.in b/include/sane/config.h.in
index 7071785..0fb5424 100644
--- a/include/sane/config.h.in
+++ b/include/sane/config.h.in
@@ -118,12 +118,18 @@
 /* Define if you have the getcwd function.  */
 #undef HAVE_GETCWD
 
+/* Define if you have the getenv function.  */
+#undef HAVE_GETENV
+
 /* Define if you have the getpagesize function.  */
 #undef HAVE_GETPAGESIZE
 
 /* Define if you have the atexit function. */
 #undef HAVE_ATEXIT
 
+/* Define if you have the isfdtype function.  */
+#undef HAVE_ISFDTYPE
+
 /* Define if you have the mkdir function.  */
 #undef HAVE_MKDIR
 
@@ -178,6 +184,9 @@
 /* Define if you have the valloc function.  */
 #undef HAVE_VALLOC
 
+/* Define if you have the vsyslog function.  */
+#undef HAVE_VSYSLOG
+
 /* Define if you have the snprintf function.  */
 #undef HAVE_SNPRINTF
 
diff --git a/lib/Makefile.in b/lib/Makefile.in
index 67028b4..c40d5f5 100644
--- a/lib/Makefile.in
+++ b/lib/Makefile.in
@@ -40,9 +40,11 @@ COMPILE = $(CC) -c $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
 @SET_MAKE@
 
 LIBLIB_OBJS	= alloca.o getopt.o getopt1.o strndup.o \
-		  strdup.o strsep.o snprintf.o usleep.o
+		  strdup.o strsep.o snprintf.o usleep.o isfdtype.o \
+		  vsyslog.o getenv.o
 LIBLIB_LTOBJS	= alloca.lo getopt.lo getopt1.lo strndup.lo \
-		  strdup.lo strsep.lo snprintf.lo usleep.lo
+		  strdup.lo strsep.lo snprintf.lo usleep.lo isfdtype.lo \
+		  vsyslog.lo getenv.lo
 
 TARGETS = $(LIBLIB_OBJS)
 TARGETS = liblib.a
diff --git a/lib/alloca.c b/lib/alloca.c
index 16f7e86..b7424cd 100644
--- a/lib/alloca.c
+++ b/lib/alloca.c
@@ -22,7 +22,7 @@
    your main control loop, etc. to force garbage collection.  */
 
 #ifdef HAVE_CONFIG_H
-#include <config.h>
+#include <../include/sane/config.h>
 #endif
 
 #ifndef HAVE_ALLOCA
diff --git a/lib/getenv.c b/lib/getenv.c
new file mode 100644
index 0000000..c450659
--- /dev/null
+++ b/lib/getenv.c
@@ -0,0 +1,18 @@
+#include "../include/sane/config.h"
+
+#ifndef HAVE_GETENV
+
+char *
+getenv(const char *name)
+{
+  char *retval = 0;
+#ifdef HAVE_OS2_H
+  if (0 != DosScanEnv (buf, &retval))
+    retval = 0;
+#else
+#  error "Missing getenv() on this platform.  Please implement."
+#endif
+  return retval;
+}
+
+#endif /* !HAVE_GETENV */
diff --git a/lib/getopt.c b/lib/getopt.c
index 91f00b5..8b42321 100644
--- a/lib/getopt.c
+++ b/lib/getopt.c
@@ -27,7 +27,7 @@
 #endif
 
 #ifdef HAVE_CONFIG_H
-#include <config.h>
+#include <../include/sane/config.h>
 #endif
 
 #if !defined (__STDC__) || !__STDC__
diff --git a/lib/getopt1.c b/lib/getopt1.c
index 7cf0bfb..140ea10 100644
--- a/lib/getopt1.c
+++ b/lib/getopt1.c
@@ -17,7 +17,7 @@
    Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #ifdef HAVE_CONFIG_H
-#include <config.h>
+#include <../include/sane/config.h>
 #endif
 
 #include "getopt.h"
diff --git a/lib/isfdtype.c b/lib/isfdtype.c
new file mode 100644
index 0000000..8e51516
--- /dev/null
+++ b/lib/isfdtype.c
@@ -0,0 +1,25 @@
+#include "../include/sane/config.h"
+
+#ifndef HAVE_ISFDTYPE
+
+#include <sys/stat.h>
+
+int
+isfdtype(int fd, int fdtype)
+{
+  struct stat st;
+  
+  if (fstat(fd, &st) == -1) return 0; /* couldn't stat fd */
+
+  if (st.st_mode == 0)
+    return 1; /* At least Irix doesn't seem to know socket type */
+#if defined(S_ISSOCK)
+  return S_ISSOCK(st.st_mode) != 0;
+#elif defined(S_IFSOCK) && defined(S_IFMT)
+  return (st.st_mode & S_IFMT) == S_IFSOCK;
+#else
+  return 0;
+#endif
+}
+
+#endif /* !HAVE_ISFDTYPE */
diff --git a/lib/snprintf.c b/lib/snprintf.c
index 059d48c..cbe846d 100644
--- a/lib/snprintf.c
+++ b/lib/snprintf.c
@@ -1,4 +1,4 @@
-#include <config.h>
+#include <../include/sane/config.h>
 
 #ifndef HAVE_SNPRINTF
 
diff --git a/lib/strdup.c b/lib/strdup.c
index 62f2976..1286b8e 100644
--- a/lib/strdup.c
+++ b/lib/strdup.c
@@ -16,7 +16,7 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
-#include <config.h>
+#include <../include/sane/config.h>
 
 #include <stdlib.h>
 #include <string.h>
diff --git a/lib/strndup.c b/lib/strndup.c
index b02355e..35c0597 100644
--- a/lib/strndup.c
+++ b/lib/strndup.c
@@ -16,7 +16,7 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
-#include <config.h>
+#include <../include/sane/config.h>
 
 #ifndef HAVE_STRNDUP
 
diff --git a/lib/strsep.c b/lib/strsep.c
index c3e05e3..5ac58ae 100644
--- a/lib/strsep.c
+++ b/lib/strsep.c
@@ -16,7 +16,7 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
-#include <config.h>
+#include <../include/sane/config.h>
 
 #include <string.h>
 
diff --git a/lib/usleep.c b/lib/usleep.c
index 4f63df4..60dfdbc 100644
--- a/lib/usleep.c
+++ b/lib/usleep.c
@@ -16,7 +16,7 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <config.h>
+#include <../include/sane/config.h>
 
 #ifndef HAVE_USLEEP
 
diff --git a/lib/vsyslog.c b/lib/vsyslog.c
new file mode 100644
index 0000000..ce86301
--- /dev/null
+++ b/lib/vsyslog.c
@@ -0,0 +1,17 @@
+#include "../include/sane/config.h"
+
+#include "stdio.h"
+#include <syslog.h>
+#include <stdarg.h>
+
+#ifndef HAVE_VSYSLOG
+
+void
+vsyslog(int priority, const char *format, va_list args)
+{
+  char buf[1024];
+  vsnprintf(buf, sizeof(buf), format, args);
+  syslog(priority, "%s", buf);
+}
+
+#endif /* !HAVE_VSYSLOG */