Correct documentation as noted by Felipe Noronha in #156.

Author: anthony-tuininga

doc/src/functions/dpiContext.rst

@@ -66,12 +66,14 @@ using the function :func:`dpiContext_destroy()`.
     handle is NULL or invalid an error is returned.
 
 
-.. function:: void dpiContext_getClientVersion(const dpiContext* context, \
+.. function:: int dpiContext_getClientVersion(const dpiContext* context, \
         dpiVersionInfo* versionInfo)
 
     Return information about the version of the Oracle Client that is being
     used.
 
+    The function returns DPI_SUCCESS for success and DPI_FAILURE for failure.
+
     **context** [IN] -- the context handle created earlier using the function
     :func:`dpiContext_createWithParams()`. If the handle is NULL or invalid an
     error is returned.
@@ -108,6 +110,8 @@ using the function :func:`dpiContext_destroy()`.
     Initializes the :ref:`dpiCommonCreateParams<dpiCommonCreateParams>`
     structure to default values.
 
+    The function returns DPI_SUCCESS for success and DPI_FAILURE for failure.
+
     **context** [IN] -- the context handle created earlier using the function
     :func:`dpiContext_createWithParams()`. If the handle is NULL or invalid an
     error is returned.
@@ -122,6 +126,8 @@ using the function :func:`dpiContext_destroy()`.
     Initializes the :ref:`dpiConnCreateParams<dpiConnCreateParams>` structure
     to default values.
 
+    The function returns DPI_SUCCESS for success and DPI_FAILURE for failure.
+
     **context** [IN] -- the context handle created earlier using the function
     :func:`dpiContext_createWithParams()`. If the handle is NULL or invalid an
     error is returned.
@@ -137,6 +143,8 @@ using the function :func:`dpiContext_destroy()`.
     Initializes the :ref:`dpiPoolCreateParams<dpiPoolCreateParams>` structure
     to default values.
 
+    The function returns DPI_SUCCESS for success and DPI_FAILURE for failure.
+
     **context** [IN] -- the context handle created earlier using the function
     :func:`dpiContext_createWithParams()`. If the handle is NULL or invalid an
     error is returned.
@@ -152,6 +160,8 @@ using the function :func:`dpiContext_destroy()`.
     Initializes the :ref:`dpiSodaOperOptions<dpiSodaOperOptions>`
     structure to default values.
 
+    The function returns DPI_SUCCESS for success and DPI_FAILURE for failure.
+
     **context** [IN] -- the context handle created earlier using the function
     :func:`dpiContext_createWithParams()`. If the handle is NULL or invalid an
     error is returned.
@@ -167,6 +177,8 @@ using the function :func:`dpiContext_destroy()`.
     Initializes the :ref:`dpiSubscrCreateParams<dpiSubscrCreateParams>`
     structure to default values.
 
+    The function returns DPI_SUCCESS for success and DPI_FAILURE for failure.
+
     **context** [IN] -- the context handle created earlier using the function
     :func:`dpiContext_createWithParams()`. If the handle is NULL or invalid an
     error is returned.

doc/src/structs/dpiVersionInfo.rst

@@ -29,7 +29,7 @@ Oracle Client (:func:`dpiContext_getClientVersion()`) and Oracle Database
     Specifies the port specific update version of the Oracle Client or
     Database.
 
-.. member:: int dpiVersionInfo.fullVersionNum
+.. member:: uint32_t dpiVersionInfo.fullVersionNum
 
     Specifies the full version (all five components) as a number that is
     suitable for comparison with the result of the macro