int      zeromem (void *_p, int bytes);
double upgrade_partial_tech (player * P, player * Px, group * g);
planet * nametoplan (planet * head, const char *s);
double shield_str (double shields, double shield_tech, double mass);
double group_speed (Tech t, shiptype *T, double size);
double ttechmass (group *g);
fleetname * numtofleet (int i);
int fleettonum (group *g);
#if SPEED&2
void * numtop2 (void *base, int n);
#endif

int legal_name (const char * name, int flags);
#define COMMENTNAME -1
#define DASHNAME -2
#define ILLEGNAME -3
#define EMPIRE 1 /* power of two for these things...*/

