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10.69.38 gethostname ¶

POSIX specification:
https://pubs.opengroup.org/onlinepubs/9799919799/functions/gethostname.html

Gnulib module: gethostname

Portability problems fixed by Gnulib:

• This function is declared in <winsock2.h> instead of <unistd.h> on some platforms: MSVC 14.
• On mingw and MSVC 14, this function has a prototype that differs from that specified by POSIX, and it is defined only in the ws2_32 library.

Portability problems not fixed by Gnulib:

• This function’s second argument type is int instead of size_t on some platforms: Solaris 10.
• If the given buffer is too small for the host name, some implementations fail with EINVAL, instead of returning a truncated host name.