-#ifndef __WRITER_H
-#define __WRITER_H
-
-#include <com.h>
-
-#ifdef __cplusplus
+/*\r
+ * include/witer.h - type representing the object used to write to the stdin \r
+ * (redirected) of a command.\r
+ *\r
+ * Copyright 2008,2009 Martin Quinson, Malek Cherier All right reserved. \r
+ *\r
+ * This program is free software; you can redistribute it and/or modify it \r
+ * under the terms of the license (GNU LGPL) which comes with this package.\r
+ *\r
+ * Purpose:\r
+ * This file contains all the declarations of the functions related with\r
+ * the tesh writer type.\r
+ *\r
+ */ \r
+ \r
+#ifndef __WRITER_H\r
+#define __WRITER_H\r
+ \r
+#include <com.h>\r
+ \r
+#ifdef __cplusplus\r
extern "C" {
-#endif
-
-
-writer_t
-writer_new(command_t command);
-
-void
-writer_free(writer_t* writer);
-
-void
-writer_write(writer_t writer);
-
-void
-writer_wait(writer_t writer);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* !__WRITER_H */
+ \r
+#endif /* \r */
+ \r
+/*! \brief writer_new - create a new writer.\r
+ *\r
+ * \param command The command owning the stdin written by the writer.\r
+ *\r
+ * \return If successful the function returns the newly created\r
+ * writer. Otherwise the function returns NULL and sets the\r
+ * global variable errno with the appropiate error code.\r
+ *\r
+ * errors :\r
+ * [EINVAL] if the parameter is invalid.\r
+ * [ENOMEM] if the system has not enough space to allocate\r
+ * the writer.\r
+ */ \r
+ writer_t \r writer_new(command_t command);
+ \r \r \r
+/*! \brief writer_free - destroy a writer object.\r
+ *\r
+ * \param ptr A pointer to the writer object to destroy.\r
+ *\r
+ * \return If successful the function returns the 0. Otherwise \r
+ * the function returns -1 and sets the global variable \r
+ * errno with the appropiate error code.\r
+ *\r
+ * errors :\r
+ * [EINVAL] if the writer object pointed to by the parameter ptr is invalid.\r
+ * \r
+ * \r
+ */ \r
+ int \r writer_free(writer_t * ptr);
+ \r \r void \r writer_write(writer_t writer);
+ \r \r void \r writer_wait(writer_t writer);
+ \r \r
+#ifdef __cplusplus\r
+} \r
+#endif /* \r */
+\r
+#endif /* !__WRITER_H */\r
