-int Sys_FileOpenWrite (char *path);
-void Sys_FileClose (int handle);
-void Sys_FileSeek (int handle, int position);
-int Sys_FileRead (int handle, void *dest, int count);
-int Sys_FileWrite (int handle, void *data, int count);
-int Sys_FileTime (char *path);
-void Sys_mkdir (char *path);
+// "dllnames" is an NULL terminated array of possible names for the DLL you want to load
+qboolean Sys_LoadLibrary (const char** dllnames, dllhandle_t* handle, const dllfunction_t *fcts);
+void Sys_UnloadLibrary (dllhandle_t* handle);
+void* Sys_GetProcAddress (dllhandle_t handle, const char* name);
+
+// called early in Host_Init
+void Sys_InitConsole (void);
+// called after command system is initialized but before first Con_Print
+void Sys_Init_Commands (void);
+
+
+// returns current timestamp
+char *Sys_TimeString(const char *timeformat);