Rust-wrapped version of C libpcap.
### Windows
install WinPcap.
### Linux
install libpcap-dev
### Mac OS X
libpcap should be installed on Mac OS X by default.
### C source code
<https://github.com/the-tcpdump-group/libpcap>
### Demo
```rust
let dev = libpcap::lookup();
println!("Found net device: {}",dev);
let mut Packet = libpcap::open(dev.as_str())?;
while let data = libpcap::next(&mut Packet){
println!("{:?}",Packet);
}
```
result
```
Packet { ts: 1647398752.372106, caplen: 74, len: 74 }Data 0x5619ab247d10,Length 74
0xfc, 0x33, 0x42, 0x5e, 0x4a, 0x01, 0x68,..................
```