rb_f_sprintf      814 error.c        	mesg = rb_f_sprintf(3, args);
rb_f_sprintf       34 ext/syslog/syslog.c     str = rb_f_sprintf(argc, argv);
rb_f_sprintf      552 include/ruby/intern.h VALUE rb_f_sprintf(int, const VALUE*);
rb_f_sprintf     5428 io.c               rb_io_write(out, rb_f_sprintf(argc, argv));
rb_f_sprintf     5457 io.c               rb_io_write(out, rb_f_sprintf(argc, argv));
rb_f_sprintf     2553 object.c           rb_define_global_function("sprintf", rb_f_sprintf, -1); /* in sprintf.c */
rb_f_sprintf     2554 object.c           rb_define_global_function("format", rb_f_sprintf, -1);  /* in sprintf.c */