call_to_a(tcall)
char *call_to_a(tcall)
call_to_a(tcall)unsigned char *tcall;{	int i;	int ssid;	char *tptr;	static char t[10];	for(i=0,tptr=t;i<6;i++) {		if(tcall[i]==(' '<<1))break;		*tptr = tcall[i]>>1;		tptr++;	}	ssid = (tcall[6]>>1)&0x0f;	if(ssid>0) {		*tptr = '-';		tptr++;		if(ssid>9) {			*tptr = '1';			tptr++;			ssid -= 10;		}		*tptr = '0' + ssid;		tptr++;	}	*tptr = '\0';	return &t[0];}