35     size_t *oldlenp, const void *new, size_t newlen)  in sysctl()  argument
41     if (old != NULL && oldlenp == NULL) {  in sysctl()
53     if (old && oldlenp) {  in sysctl()
54         oldlen = *oldlenp;  in sysctl()
91     if (oldlenp != NULL) {  in sysctl()
92         msg->sysctl.oldlenp = (size_t *)buf_addr;  in sysctl()
93         memcpy(msg->sysctl.oldlenp, oldlenp, sizeof(size_t));  in sysctl()
98             memcpy(msg->sysctl.old, old, *oldlenp);  in sysctl()
99             buf_addr += *oldlenp;  in sysctl()
104         msg->sysctl.oldlenp = 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()