char *getenv(const MEMX char *name);
unsigned long getenv_ulong(const MEMX char *name, int base, unsigned long default_val);
+int setenv_ulong(const MEMX char *varname, unsigned long value);
+int setenv_hex(const MEMX char *varname, unsigned long value);
#if defined(CONFIG_AUTO_COMPLETE)
int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf);