Provided by: linuxcnc-uspace-dev_2.9.4-2ubuntu1_amd64 

NAME
rtapi_bool.h - RTAPI wrappers for linux kernel functionality
SYNTAX
#include <rtapi_bool.h>
DESCRIPTION
Includes either <stdbool.h> or <linux/types.h> as appropriate, to obtain suitable declarations of "bool", "true" and "false".
REALTIME CONSIDERATIONS
None.
NOTES
Also permitted in C++ programs, where including it has no effect. LinuxCNC Documentation 2014-06-28 funct(3rtapi)