Solved : fatal error: pcap.h: No such file or directory

If you are writing some packet sniffing code using libpcap on Ubuntu Linux, there are higher chances you may get an error like below, during the first compilation.

sniffer.c:1:18: fatal error: pcap.h: No such file or directory
compilation terminated.

Solution :

The above error shows we are missing pcap.h in current development environment, for installing this header, use below command


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$ sudo apt-get install libpcap-dev

If you are looking for actual packet capturing code, you may refer to “sniffex – C program to Capture wifi packets using libpcap

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