rb_exc_new_cstr   669 error.c        #undef rb_exc_new_cstr
rb_exc_new_cstr   678 error.c        rb_exc_new_cstr(VALUE etype, const char *s)
rb_exc_new_cstr   850 include/ruby/intern.h #define rb_exc_new_cstr(klass, ptr) RB_GNUC_EXTENSION_BLOCK( \