ref: 3ffbf7ced234d4e6f0809ba7e16b01842820f6d8
dir: /sys/src/cmd/aux/gps/dat.h/
typedef struct Place Place;
struct Place {
double lon;
double lat;
};
#pragma varargck type "L" Place
enum {
Undef = 0x80000000,
Baud= 4800, /* 4800 is NMEA standard speed */
};
extern Place nowhere;
extern int debug;
int placeconv(Fmt*);
Place strtopos(char*, char**);
int strtolatlon(char*, char**, Place*);