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      1 /*
      2  * Copyright (C) 2007 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 //
     18 // implementation of sys/uio.h for platforms that don't have it (Win32)
     19 //
     20 #ifndef _LIBS_CUTILS_UIO_H
     21 #define _LIBS_CUTILS_UIO_H
     22 
     23 #ifdef HAVE_SYS_UIO_H
     24 #include <sys/uio.h>
     25 #else
     26 
     27 #ifdef __cplusplus
     28 extern "C" {
     29 #endif
     30 
     31 #include <stddef.h>
     32 
     33 struct iovec {
     34     const void*  iov_base;
     35     size_t       iov_len;
     36 };
     37 
     38 extern int  readv( int  fd, struct iovec*  vecs, int  count );
     39 extern int  writev( int  fd, const struct iovec*  vecs, int  count );
     40 
     41 #ifdef __cplusplus
     42 }
     43 #endif
     44 
     45 #endif /* !HAVE_SYS_UIO_H */
     46 
     47 #endif /* _LIBS_UTILS_UIO_H */
     48 
     49