Following are the contents of the util.h file, which contains declarations used in the util.c file.
/*
* util.h
*
* Declarations of utility routine(s) shared by "greet_dced" client
* and server programs.
*/
#define ERROR_CHECK(status, text) if (status != error_status_ok) error_exit(status, text)
void
error_exit(
error_status_t status,
char *text
);