引子在看Linux netlink部分的时候看到了这样的写法123456struct netlink_kernel_cfg cfg = { .groups = RTNLGRP_MAX, .input = rtnetlink_rcv, .cb_mutext = &rtnl_mutex, .flags = NL_CFG_NONROOT_RECV}; 同时我由找到相关结构体定
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