CHECK             184 ext/psych/yaml/yaml_private.h #define CHECK(string,octet) CHECK_AT((string),(octet),0)
CHECK            4649 file.c         #define CHECK(n) test_check((n), argc, argv)
CHECK            2121 gc.c           #define CHECK(x) if (x(obj) != FALSE) rb_bug("obj_free: " #x "(%s) != FALSE", obj_info(obj))
CHECK            2126 gc.c           #undef CHECK
CHECK              56 sprintf.c      #define CHECK(l) do {\
CHECK             129 vm_insnhelper.c #define CHECK(magic, req_block, req_me, req_cref) case magic: vm_check_frame_detail(type, req_block, req_me, req_cref, specval, cref_or_me); break;
CHECK             146 vm_insnhelper.c #undef CHECK