{"ast_node_type":"function","tokens":[{"end":43,"kind":"keyword","start":0,"text":"fn"}]}
    fn malloc(size: size_t) -> *mut c_void;
    fn posix_memalign(memptr: *mut *mut c_void, align: size_t, size: size_t) -> c_int;
    fn realloc(p: *mut c_void, size: size_t) -> *mut c_void;