fc-shell help: batt command: better documentation The semantic meaning of the two bytes carried in the MMI_BATTERY_IND primitive depends on the firmware version. Update the documentation to describe what these two bytes mean in current FC Tourmaline firmware.

/*
 * External function definitions
 * for routines described in string(3).
 */
char	*strcat();
char	*strncat();
int	strcmp();
int	strncmp();
int	strcasecmp();
int	strncasecmp();
char	*strcpy();
char	*strncpy();
int	strlen();
char	*index();
char	*rindex();