ref: aaa5cd4ca48ace29538f59436063544f3124535e
dir: /print.h/
#pragma once void fl_print(ios_t *f, value_t v); void print_traverse(value_t v); void fl_print_chr(char c, ios_t *f); void fl_print_str(char *s, ios_t *f); void fl_print_child(ios_t *f, value_t v);