Add support for #pragma foo(bar)

Report unsupported/unknown preprocessor directives.
Report line number of error rather than character offset.
diff --git a/include/acc/acc.h b/include/acc/acc.h
index 054d6a0..e25fde0 100644
--- a/include/acc/acc.h
+++ b/include/acc/acc.h
@@ -69,6 +69,9 @@
 void accGetScriptLabel(ACCscript* script, const ACCchar * name,
                        ACCvoid** address);
 
+void accGetPragmas(ACCscript* script, ACCsizei* actualStringCount,
+                   ACCsizei maxStringCount, ACCchar** strings);
+
 #ifdef __cplusplus
 };
 #endif