unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base);
char *getenv (char *name);
void setenv (char *varname, char *varvalue);
-#if (CONFIG_COMMANDS & CFG_CMD_I2C)
+#if defined(CONFIG_CMD_I2C)
int i2c_write (uchar, uint, int , uchar* , int);
int i2c_read (uchar, uint, int , uchar* , int);
#endif /* CFG_CMD_I2C */