Macros starting with `n' in dynamips

• NETIO_BRIDGE_LOCK ./net_io_bridge.h:25
• NETIO_BRIDGE_UNLOCK ./net_io_bridge.h:26
• NETIO_RXL_LOCK ./net_io.c:59
• NETIO_RXL_UNLOCK ./net_io.c:60
• NETIO_RXQ_LOCK ./net_io.c:62
• NETIO_RXQ_UNLOCK ./net_io.c:63
• NIL ./rbtree.c:25