1 files changed, 131 insertions, 0 deletions
diff --git a/include/unistd.h b/include/unistd.h
new file mode 100644
index 00000000..d271809a
--- /dev/null
+++ b/include/unistd.h
@@ -0,0 +1,131 @@
+#ifndef __UNISTD_H
+#define __UNISTD_H
+
+#ifndef NULL
+#define NULL ((void *)0)
+#endif
+
+#define _POSIX_VERSION	202405L
+#define _POSIX2_VERSION _POSIX_VERSION
+
+#define _XOPEN_VERSION 800
+
+#define STDIN_FILENO  0
+#define STDOUT_FILENO 1
+#define STDERR_FILENO 2
+
+typedef __SIZE_TYPE__ size_t;
+typedef __INT64_TYPE__ ssize_t;
+typedef __UINT32_TYPE__ uid_t;
+typedef __UINT32_TYPE__ gid_t;
+typedef __INT64_TYPE__ off_t;
+typedef __INT64_TYPE__ pid_t;
+typedef __INTPTR_TYPE__ intptr_t;
+
+extern char *optarg;
+extern int opterr, optind, optopt;
+
+int access(const char *, int);
+unsigned alarm(unsigned);
+int chdir(const char *);
+int chown(const char *, uid_t, gid_t);
+int close(int);
+
+// TODO:
+// size_t confstr(int, char *, size_t);
+// char *crypt(const char *, const char *);
+
+int dup(int);
+int dup2(int, int);
+int dup3(int, int, int);
+_Noreturn void _exit(int);
+
+// TODO:
+// void encrypt(char [64], int);
+int execl(const char *, const char *, ...);
+// int execle(const char *, const char *, ...);
+int execlp(const char *, const char *, ...);
+int execv(const char *, char *const[]);
+int execve(const char *, char *const[], char *const[]);
+int execvp(const char *, char *const[]);
+
+int faccessat(int, const char *, int, int);
+int fchdir(int);
+int fchown(int, uid_t, gid_t);
+int fchownat(int, const char *, uid_t, gid_t, int);
+int fdatasync(int);
+// TODO:
+// int fexecve(int, char *const[], char *const[]);
+pid_t _Fork(void);
+pid_t fork(void);
+// long fpathconf(int, int);
+int fsync(int);
+int ftruncate(int, off_t);
+char *getcwd(char *, size_t);
+gid_t getegid(void);
+int getentropy(void *, size_t);
+uid_t geteuid(void);
+gid_t getgid(void);
+int getgroups(int, gid_t[]);
+long gethostid(void);
+int gethostname(char *, size_t);
+char *getlogin(void);
+int getlogin_r(char *, size_t);
+int getopt(int, char *const[], const char *);
+pid_t getpgid(pid_t);
+pid_t getpgrp(void);
+pid_t getpid(void);
+pid_t getppid(void);
+int getresgid(gid_t *restrict, gid_t *restrict, gid_t *restrict);
+int getresuid(uid_t *restrict, uid_t *restrict, uid_t *restrict);
+pid_t getsid(pid_t);
+uid_t getuid(void);
+int isatty(int);
+int lchown(const char *, uid_t, gid_t);
+int link(const char *, const char *);
+int linkat(int, const char *, int, const char *, int);
+int lockf(int, int, off_t);
+off_t lseek(int, off_t, int);
+int nice(int);
+
+// TODO:
+// long pathconf(const char *, int);
+
+int pause(void);
+int pipe(int[2]);
+int pipe2(int[2], int);
+int posix_close(int, int);
+ssize_t pread(int, void *, size_t, off_t);
+ssize_t pwrite(int, const void *, size_t, off_t);
+ssize_t read(int, void *, size_t);
+ssize_t readlink(const char *restrict, char *restrict, size_t);
+ssize_t readlinkat(int, const char *restrict, char *restrict, size_t);
+int rmdir(const char *);
+int setegid(gid_t);
+int seteuid(uid_t);
+int setgid(gid_t);
+int setpgid(pid_t, pid_t);
+int setregid(gid_t, gid_t);
+int setresgid(gid_t, gid_t, gid_t);
+int setresuid(uid_t, uid_t, uid_t);
+int setreuid(uid_t, uid_t);
+pid_t setsid(void);
+int setuid(uid_t);
+unsigned sleep(unsigned);
+void swab(const void *restrict, void *restrict, ssize_t);
+int symlink(const char *, const char *);
+int symlinkat(const char *, int, const char *);
+void sync(void);
+// TODO:
+// long sysconf(int);
+// pid_t tcgetpgrp(int);
+// int tcsetpgrp(int, pid_t);
+int truncate(const char *, off_t);
+// TODO:
+// char *ttyname(int);
+// int ttyname_r(int, char *, size_t);
+int unlink(const char *);
+int unlinkat(int, const char *, int);
+ssize_t write(int, const void *, size_t);
+
+#endif