WIP recursive line worker detects C variable and function definitions

- todo: detect expressione type (function, variable, ...)

src/ext/xmalloc.c

@@ -71,3 +71,9 @@ char* xmallocStrlcat(char **aDest, char *aSource, size_t aSize)
    return *aDest;
 }
 
+void xfree(void **aDest)
+{
+   free(*aDest);
+   *aDest = NULL;
+}
+

src/ext/xmalloc.h

@@ -17,6 +17,7 @@
 #include <malloc.h>
 
 void *xmalloc(size_t size);
+void xfree(void**);
 char* xmallocStrlcpy(char **aDest, char *aSource, size_t aSize);
 char* xmallocStrlcat(char **aDest, char *aSource, size_t aSize);