linux c - get server hostname?

Question

Does anyone know a function to get the hostname of the linux server? I don\'t really want to have to include any headers or compile other libraries, hoping there is a function b

Answer 1

Building on the answer from Alain Pannetier, you can spare a few bytes by using HOST_NAME_MAX:

#include 
...
  char hostname[HOST_NAME_MAX+1];
  gethostname(hostname, HOST_NAME_MAX+1);
...