首先查看一下源代码 shell#>vim /usr/include/bits/socket.h line 62 /* Protocol families. */ line 83 #define PF_PACKET 17 /* Packet family. */ line 94 /* Address families. */ line115 #define AF_PACKET PF_PACKET 看来数值上是相等的,都是 0x0011。不同之处是,一个代表协议族,一个代表...