+static int
+parse_num(str, key, valp)
+ char *str;
+ const char *key;
+ int *valp;
+{
+ char *p, *endp;
+ int i;
+
+ p = strstr(str, key);
+ if (p != 0) {
+ p += strlen(key);
+ i = strtol(p, &endp, 10);
+ if (endp != p && (*endp == 0 || *endp == ';')) {
+ *valp = i;
+ return 1;
+ }
+ }
+ return 0;
+}
+
+/*
+ * Check whether the pppd identified by `key' still owns ppp unit `unit'.
+ */
+static int
+owns_unit(key, unit)
+ TDB_DATA key;
+ int unit;
+{
+ char ifkey[32];
+ TDB_DATA kd, vd;
+ int ret = 0;
+
+ slprintf(ifkey, sizeof(ifkey), "IFNAME=ppp%d", unit);
+ kd.dptr = ifkey;
+ kd.dsize = strlen(ifkey);
+ vd = tdb_fetch(pppdb, kd);
+ if (vd.dptr != NULL) {
+ ret = vd.dsize == key.dsize
+ && memcmp(vd.dptr, key.dptr, vd.dsize) == 0;
+ free(vd.dptr);
+ }
+ return ret;
+}
+