Enable C in docs

doc/source/api/type_0_1.rst

 Types 0 & 1 – Positive and negative integers
 =============================
 
-*CBOR* has two types of integers – positive (which may be effectively regarded as unsigned), and negative. There are four possible widths for an integer – 1, 2, 4, or 8 bytes. These correspond to 
+*CBOR* has two types of integers – positive (which may be effectively regarded as unsigned), and negative. There are four possible widths for an integer – 1, 2, 4, or 8 bytes. These are represented by
 
 .. type:: enum cbor_int_width
 
+   which consists of
+
    +--------------------+
-   | ``JSON_OBJECT``    |
-   +--------------------+
-   | ``JSON_ARRAY``     |
-   +--------------------+
-   | ``JSON_STRING``    |
-   +--------------------+
-   | ``JSON_INTEGER``   |
-   +--------------------+
-   | ``JSON_REAL``      |
+   | ``CBOR_INT_8``     |
    +--------------------+
-   | ``JSON_TRUE``      |
+   | ``CBOR_INT_16``    |
    +--------------------+
-   | ``JSON_FALSE``     |
+   | ``CBOR_INT_32``    |
    +--------------------+
-   | ``JSON_NULL``      |
+   | ``CBOR_INT_64``    |
    +--------------------+
 
+
+
 Retrieving values
 ------------------------
 .. function:: uint8_t cbor_get_uint8(cbor_item_t * item)

doc/source/conf.py

@@ -73,7 +73,8 @@ exclude_patterns = []
 
 # The reST default role (used for this markup: `text`) to use for all
 # documents.
-#default_role = None
+default_role = 'c:func'
+primary_domain = 'c'
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
 #add_function_parentheses = True