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-rw-r--r-- | docs/nspr/reference/pr_getdesctype.rst | 58 |
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diff --git a/docs/nspr/reference/pr_getdesctype.rst b/docs/nspr/reference/pr_getdesctype.rst new file mode 100644 index 0000000000..66cbf58397 --- /dev/null +++ b/docs/nspr/reference/pr_getdesctype.rst @@ -0,0 +1,58 @@ +PR_GetDescType +============== + +Describes what type of file is referenced by a specified file +descriptor. + + +Syntax +------ + +.. code:: + + #include <prio.h> + + PRDescType PR_GetDescType(PRFileDesc *file); + + +Parameter +~~~~~~~~~ + +The function has the following parameter: + +``file`` + A pointer to a :ref:`PRFileDesc` object whose descriptor type is to be + returned. + + +Returns +~~~~~~~ + +The function returns a ``PRDescType`` enumeration constant that +describes the type of file. + + +Description +----------- + +The ``PRDescType`` enumeration is defined as follows: + +.. code:: + + typedef enum PRDescType { + PR_DESC_FILE = 1, + PR_DESC_SOCKET_TCP = 2, + PR_DESC_SOCKET_UDP = 3, + PR_DESC_LAYERED = 4 + } PRDescType; + +The enumeration has the following enumerators: + +``PR_DESC_FILE`` + The :ref:`PRFileDesc` object represents a normal file. +``PR_DESC_SOCKET_TCP`` + The :ref:`PRFileDesc` object represents a TCP socket. +``PR_DESC_SOCKET_UDP`` + The :ref:`PRFileDesc` object represents a UDP socket. +``PR_DESC_LAYERED`` + The :ref:`PRFileDesc` object is a layered file descriptor. |