This is an internal function that can not be used in this sample code.
Easiest is to duplicate it.

Fixes https://github.com/cacalabs/libcaca/issues/67

common-image.c: In function ‘load_image’:
common-image.c:164:18: warning: implicit declaration of function ‘_caca_alloc2d’ [-Wimplicit-function-declaration]
  164 |     im->pixels = _caca_alloc2d(im->w, im->h, depth);
      |                  ^~~~~~~~~~~~~

Fixes: #42

split is rendered moot by the plugin system: when enabled, binaries do
not link directly with libX11 or libGL. I hope this is a step towards
more consisteny and clarity.

prototypes. As they are equivalent, this does not break the ABI.

<cucul.h> will provide the C99 types, even if libcaca has been installed.
  * Rename what's left of "common.h" to "stubs.h".
  * Remove all references to erroneous <inttypes.h> from source files.

in all .c files that needed it.

remove redundencies in the Doxygen documentation.

name, but as I said, I do what I want. http://zoy.org/~sam/pb7th.png