517     char *b;  member
525   struct buffer *b = MALLOC(1, struct buffer);  in init_buffer()  local
526   b->b = MALLOC(MIN_ALLOCATE, char);  in init_buffer()
527   b->allocated = MIN_ALLOCATE;  in init_buffer()
528   b->length = 0;  in init_buffer()
529   return b;  in init_buffer()
533 get_buffer(b)  in get_buffer()  argument
534   struct buffer *b;  in get_buffer()
536   return b->b;
540 size_buffer(b)  in size_buffer()  argument
541   struct buffer *b;  in size_buffer()
543   return b->length;
546 static void resize_buffer P_((struct buffer *b, size_t newlen));
548 resize_buffer(b, newlen)  in resize_buffer()  argument
549   struct buffer *b;  in resize_buffer()
553   size_t alen = b->allocated;
559     try = realloc(b->b, alen);	/* Note: *not* the REALLOC() macro! */
563       try = REALLOC(b->b, alen, char);
565   b->allocated = alen;
566   b->b = try;
570 add_buffer(b, p, n)  in add_buffer()  argument
571   struct buffer *b;  in add_buffer()
576   if (b->allocated - b->length < n)
577     resize_buffer(b, b->length+n);
578   result = memcpy(b->b + b->length, p, n);
579   b->length += n;
584 add1_buffer(b, c)  in add1_buffer()  argument
585   struct buffer *b;  in add1_buffer()
597       if (b->allocated - b->length < 1)
598 	resize_buffer(b, b->length+1);
599       result = b->b + b->length++;
608 free_buffer(b)  in free_buffer()  argument
609   struct buffer *b;  in free_buffer()
611   if (b)
612     FREE(b->b);
613   FREE(b);