extern void *buf_unappend(struct buffer_if *buf, int32_t amount);
extern void *buf_unprepend(struct buffer_if *buf, int32_t amount);
+static inline int32_t buf_remaining_space(const struct buffer_if *buf)
+{
+ return (buf->base + buf->alloclen) - (buf->start + buf->size);
+}
+
extern void buffer_readonly_view(struct buffer_if *n, const void*, int32_t len);
extern void buffer_readonly_clone(struct buffer_if *n, const struct buffer_if*);
/* Caller must only use unappend, unprepend et al. on n.