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diff --git a/apps/include/builtin.h b/apps/include/builtin.h
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+/****************************************************************************
+ * apps/include/builtin.h
+ *
+ * Originally by:
+ *
+ *   Copyright (C) 2011 Uros Platise. All rights reserved.
+ *   Author: Uros Platise <uros.platise@isotel.eu>
+ *
+ * With subsequent updates, modifications, and general maintenance by:
+ *
+ *   Copyright (C) 2012-2013 Gregory Nutt.  All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __APPS_INCLUDE_BUILTIN_H
+#define __APPS_INCLUDE_BUILTIN_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+
+#include <nuttx/binfmt/builtin.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: exec_builtin
+ *
+ * Description:
+ *   Executes builtin applications registered during 'make context' time.
+ *   New application is run in a separate task context (and thread).
+ *
+ * Input Parameter:
+ *   filename  - Name of the linked-in binary to be started.
+ *   argv      - Argument list
+ *   redirfile - If output if redirected, this parameter will be non-NULL
+ *               and will provide the full path to the file.
+ *   oflags    - If output is redirected, this parameter will provide the
+ *               open flags to use.  This will support file replacement
+ *               of appending to an existing file.
+ *
+ * Returned Value:
+ *   This is an end-user function, so it follows the normal convention:
+ *   Returns the PID of the exec'ed module.  On failure, it.returns
+ *   -1 (ERROR) and sets errno appropriately.
+ *
+ ****************************************************************************/
+
+EXTERN int exec_builtin(FAR const char *appname, FAR const char **argv,
+                        FAR const char *redirfile, int oflags);
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __APPS_INCLUDE_BUILTIN_H */