8 #include <klibc/extern.h>
9 #include <klibc/compiler.h>
11 #include <sys/types.h>
13 __extern __noreturn
_exit(int);
15 __extern
int open(const char *, int, ...);
16 __extern
int close(int);
18 __extern ssize_t
read(int, void *, size_t);
19 __extern ssize_t
write(int, const void *, size_t);
21 __extern
int isatty(int);
24 /* Standard file descriptor numbers. */
25 #define STDIN_FILENO 0
26 #define STDOUT_FILENO 1
27 #define STDERR_FILENO 2
29 #endif /* _UNISTD_H */