-smx_action_t SIMIX_file_close(smx_process_t process, const char* storage, smx_file_t fp);
-smx_action_t SIMIX_file_stat(smx_process_t process, const char* storage, int fd, void* buf);
+smx_action_t SIMIX_file_close(smx_process_t process, smx_file_t fp);
+smx_action_t SIMIX_file_stat(smx_process_t process, smx_file_t fd, s_file_stat_t buf);
+smx_action_t SIMIX_file_unlink(smx_process_t process, smx_file_t fd);
+smx_action_t SIMIX_file_ls(smx_process_t process, const char *mount, const char *path);