Macros starting with `i' in net

• IFAFREE net/if.h:315
• IF_DEQUEUE net/if.h:200
• IF_DROP net/if.h:183
• IF_ENQUEUE net/if.h:184
• IF_PREPEND net/if.h:193
• IF_QFULL net/if.h:182
• INCR net/slcompress.c:58