include/sys/uio.h

   1 #ifndef _SYS_UIO_H_
   2 #define _SYS_UIO_H_
   3
   4 #include <machine/ansi.h>
   5 #include <sys/featuretest.h>
   6
   7 #ifdef  _BSD_SIZE_T_
   8 typedef _BSD_SIZE_T_    size_t;
   9 #undef  _BSD_SIZE_T_
  10 #endif
  11
  12 #ifdef  _BSD_SSIZE_T_
  13 typedef _BSD_SSIZE_T_   ssize_t;
  14 #undef  _BSD_SSIZE_T_
  15 #endif
  16
  17 struct iovec {
  18         void    *iov_base;      /* Base address. */
  19         size_t   iov_len;       /* Length. */
  20 };
  21
  22 #if defined(_NETBSD_SOURCE)
  23 /*
  24  * Limits
  25  */
  26 /* Deprecated: use IOV_MAX from <limits.h> instead. */
  27 #define UIO_MAXIOV      1024            /* max 1K of iov's */
  28 #endif /* _NETBSD_SOURCE */
  29
  30 #include <sys/cdefs.h>
  31
  32 __BEGIN_DECLS
  33 ssize_t readv(int, const struct iovec *, int);
  34 ssize_t writev(int, const struct iovec *, int);
  35 __END_DECLS
  36
  37 #endif /* !_SYS_UIO_H_ */