int pause(void);
pid_t fork(void);
+pid_t _Fork(void);
int execve(const char *, char *const [], char *const []);
int execv(const char *, char *const []);
int execle(const char *, const char *, ...);
int execvpe(const char *, char *const [], char *const []);
int issetugid(void);
int getentropy(void *, size_t);
+extern int optreset;
#endif
#ifdef _GNU_SOURCE
int syncfs(int);
int euidaccess(const char *, int);
int eaccess(const char *, int);
+ssize_t copy_file_range(int, off_t *, int, off_t *, size_t, unsigned);
+pid_t gettid(void);
#endif
#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)