- bug fixes in tecs client routines

- improved instr_host routine
- double control etc. in tecs

tecs/instr_hosts.h

@@ -12,4 +12,7 @@ int InstrHost(char *service, char *input, char *instr, int instr_len,
    0 else
 */
 
+void InstrList(char *service, char *list, int list_len);
+/* get an instrument list supporting named service, separated with blanks */
+
 #endif /* _INSTR_HOSTS_H_ */