Several function names shortened

There's not so much need for a strict convention for static functions.
Leaving some 'psyco_' prefix when the internal function and the
python-exposed function clashed.

Author: dvarrazzo

psycopg/adapter_datetime.c

@@ -36,7 +36,7 @@
 
 
 RAISES_NEG int
-psyco_adapter_datetime_init(void)
+adapter_datetime_init(void)
 {
     PyDateTime_IMPORT;
 

psycopg/adapter_datetime.h

@@ -45,7 +45,7 @@ typedef struct {
 } pydatetimeObject;
 
 
-RAISES_NEG HIDDEN int psyco_adapter_datetime_init(void);
+RAISES_NEG HIDDEN int adapter_datetime_init(void);
 
 HIDDEN PyObject *psyco_Date(PyObject *module, PyObject *args);
 #define psyco_Date_doc \

psycopg/connection_type.c

@@ -112,10 +112,10 @@ psyco_conn_cursor(connectionObject *self, PyObject *args, PyObject *kwargs)
         goto exit;
     }
 
-    if (0 > psyco_curs_withhold_set((cursorObject *)obj, withhold)) {
+    if (0 > curs_withhold_set((cursorObject *)obj, withhold)) {
         goto exit;
     }
-    if (0 > psyco_curs_scrollable_set((cursorObject *)obj, scrollable)) {
+    if (0 > curs_scrollable_set((cursorObject *)obj, scrollable)) {
         goto exit;
     }
 

psycopg/cursor.h

@@ -93,9 +93,9 @@ struct cursorObject {
 /* C-callable functions in cursor_int.c and cursor_type.c */
 BORROWED HIDDEN PyObject *curs_get_cast(cursorObject *self, PyObject *oid);
 HIDDEN void curs_reset(cursorObject *self);
-RAISES_NEG HIDDEN int psyco_curs_withhold_set(cursorObject *self, PyObject *pyvalue);
-RAISES_NEG HIDDEN int psyco_curs_scrollable_set(cursorObject *self, PyObject *pyvalue);
-HIDDEN PyObject *psyco_curs_validate_sql_basic(cursorObject *self, PyObject *sql);
+RAISES_NEG HIDDEN int curs_withhold_set(cursorObject *self, PyObject *pyvalue);
+RAISES_NEG HIDDEN int curs_scrollable_set(cursorObject *self, PyObject *pyvalue);
+HIDDEN PyObject *curs_validate_sql_basic(cursorObject *self, PyObject *sql);
 HIDDEN void curs_set_result(cursorObject *self, PGresult *pgres);
 
 /* exception-raising macros */

psycopg/cursor_int.c

@@ -108,7 +108,7 @@ _curs_is_composible(PyObject *obj)
  * after having set an exception.
  */
 PyObject *
-psyco_curs_validate_sql_basic(cursorObject *self, PyObject *sql)
+curs_validate_sql_basic(cursorObject *self, PyObject *sql)
 {
     PyObject *rv = NULL;
     PyObject *comp = NULL;