+/** \ingroup m_file_management
+ * \brief Opens the file whose name is the string pointed to by path
+ *
+ * \param storage is the name where find the file to open
+ * \param path is the file location on the storage
+ * \param mode points to a string beginning with one of the following sequences (Additional characters may follow these sequences.):
+ * r Open text file for reading. The stream is positioned at the beginning of the file.
+ * r+ Open for reading and writing. The stream is positioned at the beginning of the file.
+ * w Truncate file to zero length or create text file for writing. The stream is positioned at the beginning of the file.
+ * w+ Open for reading and writing. The file is created if it does not exist, otherwise it is truncated. The stream is positioned at the
+ * beginning of the file.
+ * a Open for appending (writing at end of file). The file is created if it does not exist. The stream is positioned at the end of the file.
+ * a+ Open for reading and appending (writing at end of file). The file is created if it does not exist. The initial file position for reading
+ * is at the beginning of the file, but output is always appended to the end of the file.
+ *
+ * \return An #msg_file_t associated to the file
+ */
+msg_file_t MSG_file_open(const char* storage, const char* path, const char* mode)