8a3b22a9_id_____Unix__Linux_System_Call__Description
[Tag] WCOREDUMP(status) [Description] 
returns true if the child produced a core dump. This macro should only be employed if WIFSIGNALED returned true. This macro is not specified in POSIX.1-2001 and is not available on some Unix implementations (e.g., AIX, SunOS). Only use this enclosed in #ifdef WCOREDUMP ... #endif.
waitid() - Unix, Linux System Call