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30 lines
1.1 KiB
Markdown
30 lines
1.1 KiB
Markdown
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Title: gnetworking.h
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SPDX-License-Identifier: LGPL-2.1-or-later
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SPDX-FileCopyrightText: 2010 Dan Winship
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# gnetworking.h
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The `<gio/gnetworking.h>` header can be included to get
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various low-level networking-related system headers, automatically
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taking care of certain portability issues for you.
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This can be used, for example, if you want to call
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[`setsockopt()`](man:setsockopt(2)) on a [class@Gio.Socket].
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Note that while WinSock has many of the same APIs as the
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traditional UNIX socket API, most of them behave at least slightly
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differently (particularly with respect to error handling). If you
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want your code to work under both UNIX and Windows, you will need
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to take these differences into account.
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Also, under GNU libc, certain non-portable functions are only visible
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in the headers if you define `_GNU_SOURCE` before including them. Note
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that this symbol must be defined before including any headers, or it
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may not take effect.
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There is one function provided specifically for initialising the networking
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APIs, which needs to be called only if they are being used before GLib
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initialises itself:
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* [func@Gio.networking_init]
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