include/libc/unistd.h

   1 /*
   2 ** Copyright 2001, 2003, Travis Geiselbrecht. All rights reserved.
   3 ** Copyright 2002, Manuel J. Petit. All rights reserved.
   4 ** Distributed under the terms of the NewOS License.
   5 */
   6
   7 #ifndef __newos__libc_unistd__hh__
   8 #define __newos__libc_unistd__hh__
   9
  10
  11 #include <newos/types.h>
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 /* whence values for lseek() */
  18 #define SEEK_SET 0
  19 #define SEEK_CUR 1
  20 #define SEEK_END 2
  21
  22 int     open(char const *, int, ...);
  23 int     close(int);
  24 int     dup(int);
  25 int     dup2(int, int);
  26
  27 off_t   lseek(int, off_t, int);
  28 ssize_t read(int, void *, size_t);
  29 ssize_t pread(int, void *, size_t, off_t);
  30 ssize_t write(int, void const*, size_t);
  31 ssize_t pwrite(int, void const*, size_t, off_t);
  32
  33 unsigned sleep(unsigned);
  34 int      usleep(unsigned);
  35
  36 int   chdir(char *);
  37 char *getcwd(char *, size_t);
  38 char *getwd(char *);
  39
  40 int             pipe(int fds[2]);
  41
  42 /* not strictly supposed to be here, and doesn't quite match unix ioctl() */
  43 int             ioctl(int, int, void *, size_t);
  44
  45 #ifdef __cplusplus
  46 } /* extern "C" */
  47 #endif
  48
  49
  50 #endif
  51