changelog
    
    
    - Mon, 27 Dec 2021 17:16:32 +0100
- by Mike Becker <universe@uap-core.de> [Mon, 27 Dec 2021 17:16:32 +0100] rev 485
- use same doxygen style in all files
 
 also adds doxygen main page
    - Mon, 27 Dec 2021 17:02:32 +0100
- by Mike Becker <universe@uap-core.de> [Mon, 27 Dec 2021 17:02:32 +0100] rev 484
- add common.h include to all other header files
    - Mon, 27 Dec 2021 16:51:10 +0100
- by Mike Becker <universe@uap-core.de> [Mon, 27 Dec 2021 16:51:10 +0100] rev 483
- add ported UCX buffer implementation
 
 Notes:
 * ucx_buffer_extend has been removed
 in favor of cxBufferMinimumCapacity
 * the buffer struct now has a union for
 char* and unsigned char* buffers
    - Mon, 27 Dec 2021 14:44:08 +0100
- by Mike Becker <universe@uap-core.de> [Mon, 27 Dec 2021 14:44:08 +0100] rev 482
- add tests for the new low level functions
    - Thu, 23 Dec 2021 15:20:50 +0100
- by Mike Becker <universe@uap-core.de> [Thu, 23 Dec 2021 15:20:50 +0100] rev 481
- add several new linked list functions
 
 * cx_linked_list_insert()
 * cx_linked_list_insert_chain()
 * cx_linked_list_link()
 * cx_linked_list_unlink()
 
 Also uses the most general function wherever possible.
    - Mon, 20 Dec 2021 13:01:38 +0100
- by Mike Becker <universe@uap-core.de> [Mon, 20 Dec 2021 13:01:38 +0100] rev 480
- add cx_linked_list_find()
    - Mon, 20 Dec 2021 12:10:48 +0100
- by Mike Becker <universe@uap-core.de> [Mon, 20 Dec 2021 12:10:48 +0100] rev 479
- add linked list tests for cxListAt()
    - Mon, 20 Dec 2021 11:58:36 +0100
- by Mike Becker <universe@uap-core.de> [Mon, 20 Dec 2021 11:58:36 +0100] rev 478
- add more nonnull attributes
 
 This also changes the contract for last/first in the sense that these
 functions now also require a valid pointer.