diff --git a/tecs/coc_client.c b/tecs/coc_client.c
index 1790e2a..c819deb 100644
--- a/tecs/coc_client.c
+++ b/tecs/coc_client.c
@@ -206,7 +206,7 @@ int CocPushArg(CocConn *conn, const char *name, void *value, int type, int size)
   assert(NULL==strchr(name, ' '));
   buf=&conn->cmdbuf;
   n=conn->nargs;
-  if (n>=sizeof(conn->args)) ERR_MSG("too many return arguments");
+  if (n>=sizeof(conn->args)/sizeof(conn->args[0])) ERR_MSG("too many return arguments");
   conn->args[n].adr=value;
   conn->args[n].type=type;
   conn->args[n].size=size;
diff --git a/tecs/instr_hosts.c b/tecs/instr_hosts.c
index 098dae7..8465d1a 100644
--- a/tecs/instr_hosts.c
+++ b/tecs/instr_hosts.c
@@ -44,17 +44,14 @@ static char *getItem(char *line, char *name, char *value, int value_len) {
   return result;
 }
 
-int InstrHost(char *service, char *input, char *instr, int instr_len,
-              char *host, int host_len, int *port) {
+void scanHostList(void (*func)(char *)) {
   int i;
   FILE *fil, *lfil;
   char *hostlist;
   char localhostlist[512];
-  char line[512], lline[512], hostport[64];
-  char *found, *colon, *crit;
-  int dirty, home, finished;
+  char line[512], lline[512];
+  int dirty;
   
-  home = 0;
   hostlist = getenv("InstrumentHostList");
   if (!hostlist) {
     hostlist="/afs/psi.ch/project/sinq/common/lib/sea/hostlist";
@@ -66,44 +63,18 @@ int InstrHost(char *service, char *input, char *instr, int instr_len,
   if (fil) {
     if (!lfil) dirty = 1;
   } else {
-    if (!lfil) return 0;
+    if (!lfil) return;
     fil = lfil;
     lfil = NULL;
   }
-  *port = 0;
-  if (input == NULL || input[0] <= ' ') {
-    crit = "host";
-    input = getenv("HOST");
-  } else {
-    crit = "instr";
-  }
-  finished = 0;
   while (NULL != fgets(line, sizeof line, fil)) {
     if (!dirty && lfil
                && (fgets(lline, sizeof lline, lfil) == NULL
                    || strcmp(line, lline) != 0)) {
       dirty = 1;
     }
-    if (!finished && getItem(line, crit, input, 0) != NULL) {
-      hostport[0]='\0';
-      found = getItem(line, service, hostport, sizeof hostport);
-      if (found) {
-        instr[0] = '\0';
-        getItem(line, "instr", instr, instr_len);
-        colon = strchr(hostport, ':');
-        if (colon) {
-          i = atoi(colon+1);
-          if (i > 0) {
-            *colon='\0';
-            snprintf(host, host_len, "%s", hostport);
-            finished = 1;
-            *port = i;
-            if (getItem(line, "host", getenv("HOST"), 0) != NULL) {
-              home = 1;
-            }
-          }
-        }
-      }
+    if (line[0] != '#') {
+      func(line);
     }
   }
   if (fil) fclose(fil);
@@ -121,9 +92,104 @@ int InstrHost(char *service, char *input, char *instr, int instr_len,
       fclose(fil);
     }
   }
-  return home;
 }
 
+static char *service;
+static char *crit;
+static char *input;
+static int finished;
+static int home;
+static char hostport[128];
+static char *instr;
+static int instr_len;
+static char *host;
+static int host_len;
+static int port;
+
+void findCrit(char *line) {
+  char *colon;
+  int i;
+  
+  if (getItem(line, crit, input, 0) != NULL) {
+    hostport[0]='\0';
+    if (getItem(line, service, hostport, sizeof hostport) != NULL) {
+      instr[0] = '\0';
+      if (finished == 0) {
+        getItem(line, "instr", instr, instr_len);
+      }
+      colon = strchr(hostport, ':');
+      if (colon) {
+        i = atoi(colon+1);
+        if (i > 0) {
+          *colon='\0';
+          if (finished == 0) {
+            snprintf(host, host_len, "%s", hostport);
+            port = i;
+          }
+          finished++;
+          if (getItem(line, "host", getenv("HOST"), 0) != NULL) {
+            home = 1;
+          }
+        }
+      }
+    }
+  }
+}
+
+int InstrHost(char *serviceArg, char *inputArg, char *instrArg, int instr_lenArg,
+              char *hostArg, int host_lenArg, int *portArg) {
+  service = serviceArg;
+  input = inputArg;
+  instr = instrArg;
+  instr_len = instr_lenArg;
+  host = hostArg;
+  host_len = host_lenArg;
+  port = 0;
+  home = 0;
+  finished = 0;
+  
+  if (input == NULL || input[0] <= ' ') {
+    crit = "host";
+    input = getenv("HOST");
+  } else {
+    crit = "instr";
+  }
+
+  scanHostList(findCrit);
+  
+  *portArg = port;
+  return home * finished;
+}
+
+static char *list;
+static int list_len;
+
+void listInstr(char *line) {
+  int l;
+  *list='\0';
+  if (getItem(line, service, "", 0) &&
+      getItem(line, "instr", list, list_len)) {
+    l = strlen(list);
+    list += l;
+    list_len -= l;
+  } else if (line[0] > ' ') {
+    return;
+  }
+  if (list_len > 0) {
+    *list = ' ';
+    list++;
+    list_len--;
+  }
+}
+
+void InstrList(char *serviceArg, char *listArg, int list_lenArg) {
+  service = serviceArg;
+  list = listArg;
+  list_len = list_lenArg;
+  scanHostList(listInstr);
+  if (list > listArg) list--; /* remove trailing blank */
+  *list = '\0';
+}
 
 #ifdef MYC_FORTRAN
 /* compile only when fortran c interface stuff is defined */
diff --git a/tecs/instr_hosts.h b/tecs/instr_hosts.h
index 4ce8140..1acb0fa 100644
--- a/tecs/instr_hosts.h
+++ b/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_ */
diff --git a/tecs/six.c b/tecs/six.c
index 9f67952..92d7e3a 100644
--- a/tecs/six.c
+++ b/tecs/six.c
@@ -472,7 +472,7 @@ int setrights(int gotolevel) {
       }
     }
     level=3;
-    ERR_I(sendCmd(sock[0], "config list"));
+    ERR_I(sendCmd(sock[0], "config myrights"));
     ERR_P(p=readWrite(12000,1,"UserRights = "));
     PutC(".");
     if (*p!='\0') {
diff --git a/tecs/tecs.c b/tecs/tecs.c
index 7e23f79..05a24bc 100644
--- a/tecs/tecs.c
+++ b/tecs/tecs.c
@@ -3359,6 +3359,8 @@ int main(int argc, char *argv[]) {
   CocDefStr(update, RW); CocHdl(UpdateHdl);
   CocDefStr(lscfg, RD);
   CocDefStr(ttp, RD);
+  CocDefStr(alarmChannels, RD);
+  CocDefStr(alarmHistory, RD);
 
   CocDefInt(cod1, RD);
   CocDefInt(cod2, RD);