photon/photon/libc/sys/linux/fio.c

#include "__fio.h"
#include "__syscall.h"

struct __io_file __stdin = {};
struct __io_file __stdout = {};
struct __io_file __stderr = {};

struct __io_file *stdin = &__stdin;
struct __io_file *stdout = &__stdout;
struct __io_file *stderr = &__stderr;

void __fio_init()
{
    __stdin.fd = 0;
    __stdout.fd = 1;
    __stderr.fd = 2;
}

int __fileno(struct __io_file *f)
{
    return f->fd;
}