diff options
| -rw-r--r-- | include/unistd.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/unistd.h b/include/unistd.h index 85c34d5..f651867 100644 --- a/include/unistd.h +++ b/include/unistd.h @@ -29,10 +29,39 @@ #define __NEED_off_t /* TODO not implement */ #define __NEED_pid_t /* TODO not implement */ #define __NEED_ptrdiff_t +#define __NEED_intptr_t +#define __NEED_useconds_t /* TODO not implement */ #include <bits/types.h> /** + * `NULL`'s canonical header is <stddef.h>. + */ +#ifndef NULL +# define NULL ((void*)0) +#endif + + +/** + * The file descriptor for stdin. + * The file with input. + */ +#define STDIN_FILENO 0 + +/** + * The file descriptor for stdout. + * The file for output. + */ +#define STDOUT_FILENO 1 + +/** + * The file descriptor for stderr. + * The file for error messages and warnings. + */ +#define STDERR_FILENO 2 + + +/** * Set the high end of the calling process's * data segment. * |