--- python/dnet.pyx.orig	2024-03-09 00:03:35
+++ python/dnet.pyx	2025-01-28 12:12:35
@@ -661,7 +661,7 @@
         addr_t arp_ha
     ctypedef struct arp_t:
         int __xxx
-    ctypedef int (*arp_handler)(arp_entry *entry, void *arg) except -1
+    ctypedef int (*arp_handler)(const arp_entry *entry, void *arg) except -1
     
     arp_t *arp_open()
     int    arp_add(arp_t *arp, arp_entry *entry)
@@ -687,7 +687,7 @@
 ARP_OP_REVREQUEST =	3	# /* request to resolve pa given ha */
 ARP_OP_REVREPLY =	4	# /* response giving protocol address */
 
-cdef int __arp_callback(arp_entry *entry, void *arg) except -1:
+cdef int __arp_callback(const arp_entry *entry, void *arg) except -1:
     f, a = <object>arg
     pa, ha = addr(), addr()
     (<addr>pa)._addr = entry.arp_pa
@@ -911,7 +911,7 @@
         addr_t		intf_alias_addrs[8]	# XXX
     ctypedef struct intf_t:
         int __xxx
-    ctypedef int (*intf_handler)(intf_entry *entry, void *arg) except -1
+    ctypedef int (*intf_handler)(const intf_entry *entry, void *arg) except -1
     
     intf_t *intf_open()
     int     intf_get(intf_t *intf, intf_entry *entry)
@@ -970,7 +970,7 @@
         for i from 0 <= i < entry.intf_alias_num:
             entry.intf_alias_addrs[i] = (<addr>d['alias_addrs'][i])._addr
 
-cdef int __intf_callback(intf_entry *entry, void *arg) except -1:
+cdef int __intf_callback(const intf_entry *entry, void *arg) except -1:
     f, a = <object>arg
     ret = f(ifent_to_dict(entry), a)
     if not ret:
@@ -1077,7 +1077,7 @@
         addr_t route_gw
     ctypedef struct route_t:
         int __xxx
-    ctypedef int (*route_handler)(route_entry *entry, void *arg) except -1
+    ctypedef int (*route_handler)(const route_entry *entry, void *arg) except -1
     
     route_t *route_open()
     int      route_add(route_t *route, route_entry *entry)
@@ -1086,7 +1086,7 @@
     int      route_loop(route_t *route, route_handler callback, void *arg)
     route_t *route_close(route_t *route)
 
-cdef int __route_callback(route_entry *entry, void *arg) except -1:
+cdef int __route_callback(const route_entry *entry, void *arg) except -1:
     f, a = <object>arg
     dst, gw = addr(), addr()
     (<addr>dst)._addr = entry.route_dst
@@ -1183,7 +1183,7 @@
     
     ctypedef struct fw_t:
         int __xxx
-    ctypedef int (*fw_handler)(fw_rule *rule, void *arg) except -1
+    ctypedef int (*fw_handler)(const fw_rule *rule, void *arg) except -1
 
     fw_t *fw_open()
     int	  fw_add(fw_t *f, fw_rule *rule)
@@ -1235,7 +1235,7 @@
         rule.fw_dport[0] = d['dport'][0]
         rule.fw_dport[1] = d['dport'][1]
 
-cdef int __fw_callback(fw_rule *rule, void *arg) except -1:
+cdef int __fw_callback(const fw_rule *rule, void *arg) except -1:
     f, a = <object>arg
     ret = f(rule_to_dict(rule), a)
     if not ret: