rb_utf8_str_new_cstr  824 include/ruby/intern.h #define rb_utf8_str_new_cstr(str) RB_GNUC_EXTENSION_BLOCK( \
rb_utf8_str_new_cstr   48 string.c       #undef rb_utf8_str_new_cstr
rb_utf8_str_new_cstr  769 string.c       rb_utf8_str_new_cstr(const char *ptr)