* \ingroup simix_process_management
* \brief Set the user data of a #smx_process_t.
*
- * This functions checks whether \a process is a valid pointer or not and set the user data associated to \a process if it is possible.
+ * This functions sets the user data associated to \a process.
* \param process SIMIX process
* \param data User data
*/
* \ingroup simix_process_management
* \brief Return the location on which an agent is running.
*
- * This functions checks whether \a process is a valid pointer or not and return the m_host_t corresponding to the location on which \a process is running.
+ * This functions returns the smx_host_t corresponding to the location on which
+ * \a process is running.
* \param process SIMIX process
* \return SIMIX host
*/