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/*
 * wnix, a Unix-like operating system for WebAssembly applications.
 * Copyright (C) 2025  Xavier Del Campo Romero
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifndef _UNISTD_H
#define _UNISTD_H

#include <stddef.h>
#include <stdint.h>
#include <sys/types.h>

enum
{
    STDIN_FILENO,
    STDOUT_FILENO,
    STDERR_FILENO
};

void *sbrk(intptr_t __increment);
ssize_t read(int __fd, void *__buf, size_t __n);
ssize_t write(int __fd, const void *__buf, size_t __n);
int close(int __fd);

#endif