34 sysctl(int *name, unsigned namelen, void *old,  in sysctl()  function
74     msg->sysctl.name = (int *)buf_addr;  in sysctl()
75     msg->sysctl.namelen = namelen;  in sysctl()
76     memcpy(msg->sysctl.name, name, namelen * sizeof(int));  in sysctl()
81         msg->sysctl.new = buf_addr;  in sysctl()
82         msg->sysctl.newlen = newlen;  in sysctl()
83         memcpy(msg->sysctl.new, new, newlen);  in sysctl()
87         msg->sysctl.new = NULL;  in sysctl()
88         msg->sysctl.newlen = 0;  in sysctl()
92         msg->sysctl.oldlenp = (size_t *)buf_addr;  in sysctl()
93         memcpy(msg->sysctl.oldlenp, oldlenp, sizeof(size_t));  in sysctl()
97             msg->sysctl.old = (void *)buf_addr;  in sysctl()
98             memcpy(msg->sysctl.old, old, *oldlenp);  in sysctl()
101             msg->sysctl.old = NULL;  in sysctl()
104         msg->sysctl.oldlenp = NULL;  in sysctl()
105         msg->sysctl.old = NULL;  in sysctl()
127         if (oldlenp && retmsg->sysctl.oldlenp) {  in sysctl()
128             *oldlenp = *retmsg->sysctl.oldlenp;  in sysctl()
131         if (old && retmsg->sysctl.old && oldlenp) {  in sysctl()
132             memcpy(old, retmsg->sysctl.old, *oldlenp);  in sysctl()