Squash commits for public release

libs/libc/include/unistd.h

@@ -0,0 +1,58 @@
+#ifndef _LIBC_UNISTD_H
+#define _LIBC_UNISTD_H
+
+#include <fcntl.h>
+#include <stddef.h>
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+__BEGIN_DECLS
+
+#define STDIN_FILENO 0 // Standard input file descriptor
+#define STDOUT_FILENO 1 // Standard output file descriptor
+#define STDERR_FILENO 2 // Standard error file descriptor
+
+/* tasking */
+int fork();
+int execve(const char* path, char* const argv[], char* const envp[]);
+int execvpe(const char* path, char* const argv[], char* const envp[]);
+int execvp(const char* path, char* const argv[]);
+int execlp(const char* path, const char* arg0, ...);
+pid_t getpid();
+int setpgid(pid_t cmd, pid_t arg);
+pid_t getpgid(pid_t arg);
+uint32_t sleep(uint32_t seconds);
+uint32_t usleep(uint32_t usec);
+
+/* fs */
+int close(int fd);
+ssize_t read(int fd, char* buf, size_t count);
+ssize_t write(int fd, const void* buf, size_t count);
+int dup(int oldfd);
+int dup2(int oldfd, int newfd);
+int rmdir(const char* path);
+int chdir(const char* path);
+char* getcwd(char* buf, size_t size);
+int unlink(const char* path);
+off_t lseek(int fd, off_t off, int whence);
+
+/* identity */
+uid_t getuid();
+int setuid(uid_t uid);
+int setgid(gid_t gid);
+int setreuid(uid_t ruid, uid_t euid);
+int setregid(gid_t rgid, gid_t egid);
+char* getlogin();
+
+/* sched */
+int nice(int inc);
+
+/* conf */
+#define _CS_GNU_LIBC_VERSION 1
+#define _CS_GNU_LIBPTHREAD_VERSION 2
+#define _CS_PATH 3
+size_t confstr(int name, char* buf, size_t len);
+
+__END_DECLS
+
+#endif // _LIBC_UNISTD_H