rb_execarg_commandline 5890 io.c char *rb_execarg_commandline(const struct rb_execarg *eargp, VALUE *prog); rb_execarg_commandline 6066 io.c cmd = rb_execarg_commandline(eargp, &prog); rb_execarg_commandline 3964 process.c status = system(rb_execarg_commandline(eargp, &prog));