VipsBufappends

gboolean
vips_buf_appends (
  VipsBuf* buf,
  const char* str
)

Append the whole of str to buf.

`str`	`const char*`
	The string to append to the buffer.
	The data is owned by the caller of the function.
	The string is a NUL terminated UTF-8 string.

Returns:	`gboolean`
	`FALSE` on overflow, `TRUE` otherwise.