Writev example

Writev example

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For example, when writing to a network socket, two calls to write may cause two packets The writev call enables you to write multiple discontiguous regions of

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The writev socket function writes data on a socket with descriptor s. Examples. The following example sends data in two buffers of 10 bytes each. #include May 9, 2012 - In scatter and gather (i.e. readv and writev ), Linux reads into for whatever reason (say for example, they are fields in a file header for a file The functions readv(2) and writev(2) both use a concept of an I/O vector. This is defined Example 17.1. writev.c—The writev(2) Example Program. <$nopage>

The writev() function shall be equivalent to write(), except as described below. The following example writes data from the buffers specified by members of the Nov 20, 2008 - The writev() function writes at most count segments from the buffers Let's consider a simple example that writes out a vector of three Feb 18, 2012 - File : writev.c; * Author : Saurabh Gupta; * Desc : writev example c; * Source : http://www.ccplusplus.com/2011/07/socket.html; * Created : 10:37 readv, writev, preadv, pwritev - read or write data into multiple buffers . The following code sample demonstrates the use of writev(): char *str0 = "hello "; char If a writev() requests more bytes be written than there is room for (for example, the physical end of the medium), only as many bytes as there is room for areThe writev() function shall gather output data from the iovcnt buffers . The following example writes data from the buffers specified by members of the iov array

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