printf_info
typedef int printf_arginfo_function(const struct printf_info *, size_t, int *);
typedef int printf_function(FILE *, const struct printf_info *, const void *const *);
typedef int printf_render(struct __printf_io *, const struct printf_info *, const void *const *);
int __printf_out(struct __printf_io *io, const struct printf_info *pi, const void *ptr, int len);
__printf_out(struct __printf_io *io, const struct printf_info *pi,
__printf_arginfo_pct(const struct printf_info *pi __unused, size_t n __unused,
const struct printf_info *pi __unused,
__printf_arginfo_n(const struct printf_info *pi __unused, size_t n, int *argt)
__printf_render_n(FILE *io __unused, const struct printf_info *pi,
struct printf_info *pi, *pil;
struct printf_info pia[pct + 10];
__printf_arginfo_errno(const struct printf_info *pi __unused, size_t n,
const struct printf_info *pi __unused,
__printf_arginfo_float(const struct printf_info *pi, size_t n, int *argt)
__printf_render_float(struct __printf_io *io, const struct printf_info *pi,
__printf_arginfo_hexdump(const struct printf_info *pi __unused,
__printf_render_hexdump(struct __printf_io *io, const struct printf_info *pi,
__printf_arginfo_int(const struct printf_info *pi, size_t n, int *argt)
__printf_render_int(struct __printf_io *io, const struct printf_info *pi,
__printf_arginfo_ptr(const struct printf_info *pi __unused, size_t n, int *argt)
__printf_render_ptr(struct __printf_io *io, const struct printf_info *pi,
struct printf_info p2;
__printf_arginfo_quote(const struct printf_info *pi __unused, size_t n,
const struct printf_info *pi __unused,
__printf_arginfo_str(const struct printf_info *pi, size_t n, int *argt)
__printf_render_str(struct __printf_io *io, const struct printf_info *pi,
__printf_arginfo_chr(const struct printf_info *pi, size_t n, int *argt)
__printf_render_chr(struct __printf_io *io, const struct printf_info *pi,
__printf_arginfo_time(const struct printf_info *pi __unused, size_t n,
__printf_render_time(struct __printf_io *io, const struct printf_info *pi,
__printf_arginfo_vis(const struct printf_info *pi __unused, size_t n,
__printf_render_vis(struct __printf_io *io, const struct printf_info *pi,