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Diffstat (limited to 'docs/nspr/reference/pr_extern.rst')
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diff --git a/docs/nspr/reference/pr_extern.rst b/docs/nspr/reference/pr_extern.rst new file mode 100644 index 0000000000..64d38654b6 --- /dev/null +++ b/docs/nspr/reference/pr_extern.rst @@ -0,0 +1,30 @@ +PR_EXTERN +========= + +Used to define the prototypes for functions or variables that are to be +exported from a shared library. + + +Syntax +------ + +.. code:: + + #include <prtypes.h> + + PR_EXTERN(type)prototype + + +Description +----------- + +:ref:`PR_EXTERN` is used to define externally visible routines and globals. +For syntax details for each platform, see +`prtypes.h <https://dxr.mozilla.org/mozilla-central/source/nsprpub/pr/include/prtypes.h>`__. +The macro includes the proper specifications to declare the target +``extern`` and set up other required linkages. + +.. warning:: + + **Warning**: Some platforms do not allow the use of the underscore + character (_) as the first character of an exported symbol. |