diff --git a/include/debug.h b/include/debug.h
index 4bac17cf1c9..cb184a6b5bc 100644
--- a/include/debug.h
+++ b/include/debug.h
@@ -1021,11 +1021,23 @@ extern "C"
 void lib_dumpbuffer(FAR const char *msg, FAR const uint8_t *buffer,
                     unsigned int buflen);
 
+/* Dump a buffer of data to a specified file descriptor. */
+
+void lib_writebuffer(int fd, FAR const char *msg,
+                     FAR const uint8_t *buffer, unsigned int buflen);
+
 /* Do a pretty buffer dump from multiple buffers. */
 
 void lib_dumpvbuffer(FAR const char *msg, FAR const struct iovec *iov,
                      int iovcnt);
 
+/* Do a pretty buffer dump from multiple buffers
+ * to a specified file descriptor.
+ */
+
+void lib_writevbuffer(int fd, FAR const char *msg,
+                      FAR const struct iovec *iov, int iovcnt);
+
 /* The system logging interfaces are normally accessed via the macros
  * provided above.  If the cross-compiler's C pre-processor supports a
  * variable number of macro arguments, then those macros below will map all
diff --git a/libs/libc/misc/lib_dumpbuffer.c b/libs/libc/misc/lib_dumpbuffer.c
index db1705fbb01..100d24a511e 100644
--- a/libs/libc/misc/lib_dumpbuffer.c
+++ b/libs/libc/misc/lib_dumpbuffer.c
@@ -54,3 +54,26 @@ void lib_dumpbuffer(FAR const char *msg, FAR const uint8_t *buffer,
 
   lib_dumpvbuffer(msg, &buf, 1);
 }
+
+/****************************************************************************
+ * Name: lib_writebuffer
+ *
+ * Description:
+ *  Do a pretty buffer dump to a specified file descriptor.
+ *
+ *  A fairly large on-stack buffer is used for the case where timestamps are
+ *  applied to each line.
+ *
+ ****************************************************************************/
+
+void lib_writebuffer(int fd, FAR const char *msg,
+                     FAR const uint8_t *buffer, unsigned int buflen)
+{
+  struct iovec buf =
+    {
+      .iov_base = (FAR char *)buffer,
+      .iov_len = buflen,
+    };
+
+  lib_writevbuffer(fd, msg, &buf, 1);
+}
diff --git a/libs/libc/misc/lib_dumpvbuffer.c b/libs/libc/misc/lib_dumpvbuffer.c
index d9e10a1f0a6..3405d39df01 100644
--- a/libs/libc/misc/lib_dumpvbuffer.c
+++ b/libs/libc/misc/lib_dumpvbuffer.c
@@ -26,6 +26,7 @@
 #include <nuttx/compiler.h>
 
 #include <stdint.h>
+#include <stdio.h>
 #include <debug.h>
 
 /****************************************************************************
@@ -70,18 +71,19 @@ static char lib_nibble(unsigned char nibble)
  ****************************************************************************/
 
 /****************************************************************************
- * Name: lib_dumpvbuffer
+ * Name: lib_writevbuffer
  *
  * Description:
- *  Do a pretty buffer dump from multiple buffers.
+ *  Do a pretty buffer dump from multiple buffers to a specified file
+ *  descriptor.
  *
  *  A fairly large on-stack buffer is used for the case where timestamps are
  *  applied to each line.
  *
  ****************************************************************************/
 
-void lib_dumpvbuffer(FAR const char *msg, FAR const struct iovec *iov,
-                     int iovcnt)
+void lib_writevbuffer(int fd, FAR const char *msg,
+                      FAR const struct iovec *iov, int iovcnt)
 {
   FAR const struct iovec *piov = iov;
   FAR const uint8_t *iov_buf;
@@ -96,7 +98,14 @@ void lib_dumpvbuffer(FAR const char *msg, FAR const struct iovec *iov,
 
   if (msg)
     {
-      syslog(LOG_INFO, "%s (%p):\n", msg, iov->iov_base);
+      if (fd > 0)
+        {
+          dprintf(fd, "%s (%p):\n", msg, iov->iov_base);
+        }
+      else
+        {
+          syslog(LOG_INFO, "%s (%p):\n", msg, iov->iov_base);
+        }
     }
 
   for (i = 0; i < iovcnt; i++)
@@ -170,6 +179,30 @@ void lib_dumpvbuffer(FAR const char *msg, FAR const struct iovec *iov,
           *ptr++ = ' ';  /* Plus 1 byte */
         }
 
-      syslog(LOG_INFO, "%04x  %s\n", i, line);
+      if (fd > 0)
+        {
+          dprintf(fd, "%04x  %s\n", i, line);
+        }
+      else
+        {
+          syslog(LOG_INFO, "%04x  %s\n", i, line);
+        }
     }
 }
+
+/****************************************************************************
+ * Name: lib_dumpvbuffer
+ *
+ * Description:
+ *  Do a pretty buffer dump from multiple buffers.
+ *
+ *  A fairly large on-stack buffer is used for the case where timestamps are
+ *  applied to each line.
+ *
+ ****************************************************************************/
+
+void lib_dumpvbuffer(FAR const char *msg, FAR const struct iovec *iov,
+                     int iovcnt)
+{
+  lib_writevbuffer(-1, msg, iov, iovcnt);
+}