Hello Pepper API.

ppapi/c/dev/ppb_hello_dev.h

Index: ppapi/c/dev/ppb_hello_dev.h
diff --git a/ppapi/c/dev/ppb_hello_dev.h b/ppapi/c/dev/ppb_hello_dev.h
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+/* Copyright (c) 2011 The Chromium Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* From dev/ppb_hello_dev.idl modified Tue Nov  8 22:02:10 2011. */
+
+#ifndef PPAPI_C_DEV_PPB_HELLO_DEV_H_
+#define PPAPI_C_DEV_PPB_HELLO_DEV_H_
+
+#include "ppapi/c/pp_bool.h"
+#include "ppapi/c/pp_completion_callback.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_macros.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/c/pp_stdint.h"
+
+#define PPB_HELLO_DEV_INTERFACE_0_1 "PPB_Hello(Dev);0.1"
+#define PPB_HELLO_DEV_INTERFACE PPB_HELLO_DEV_INTERFACE_0_1
+
+/**
+ * @file
+ * This file define the sample Hello API.
+ */
+
+
+/**
+ * @addtogroup Interfaces
+ * @{
+ */
+/**
+ * The <code>PPB_Hello_Dev</code> struct.
+ */
+struct PPB_Hello_Dev {
+  /**
+   * Create() creates a hello object.
+   *
+   * @param[in] instance A <code>PP_Hello_Dev</code> identifying the instance.
+   *
+   * @return A <code>PP_Resource</code> corresponding to a hello if successful.
+   */
+  PP_Resource (*Create)(PP_Instance instance);
+  /**
+   * IsHello() determines if the provided resource is a hello.
+   *
+   * @param[in] resource A <code>PP_Resource</code> corresponding to a hello.
+   *
+   * @return <code>PP_TRUE</code> if the resource is a
+   * <code>PPB_Hello_Dev</code>, <code>PP_FALSE</code> if the resource is
+   * invalid or some type other than <code>PP_Hello_Dev</code>.
+   */
+  PP_Bool (*IsHello)(PP_Resource resource);
+  /**
+   * SayHello() says hello.
+   *
+   * @param[in] instance A <code>PP_Resource</code> corresponding to a hello.
+   *
+   * @return Returns <code>PP_OK</code> on success or
+   * <code>PP_Error_BadResource</code> if the hello is invalid.
+   */
+  int32_t (*SayHello)(PP_Resource hello);
+  /**
+   * WhoAreYou() returns who execute this function.
+   *
+   * @param[in] instance A <code>PP_Resource</code> corresponding to a hello.
+   *
+   * @param[out] name A buffer to store the name who execute this function.
+   *
+   * @param[in] size The size of name buffer.
+   *
+   * @param[in] callback A <code>PP_CompletionCallback</code> which is invoked
+   * when asynchronous request is completed.
+   */
+  void (*WhoAreYou)(PP_Resource hello,
+                    char* name,
+                    uint32_t size,
+                    struct PP_CompletionCallback callback);
+};
+/**
+ * @}
+ */
+
+#endif  /* PPAPI_C_DEV_PPB_HELLO_DEV_H_ */
+