@node write @section @code{write} @findex write POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/write.html} Gnulib module: write, nonblocking, sigpipe Portability problems fixed by Gnulib module @code{stdio}, together with module @code{nonblocking}: @itemize @item When writing to a non-blocking pipe whose buffer is full, this function fails with @code{errno} being set to @code{ENOSPC} instead of @code{EAGAIN} on some platforms: mingw. @item When writing to a non-blocking pipe on which no reader is currently waiting an amount of bytes that exceeds the pipe buffer's size, then -- even if the pipe's buffer is empty -- this function fails, instead of performing a partial write into the pipe buffer, on some platforms: mingw. @end itemize Portability problems fixed by Gnulib module @code{stdio}, together with module @code{sigpipe}: @itemize @item When writing to a pipe with no readers, this function fails with error @code{EINVAL}, instead of obeying the current @code{SIGPIPE} handler, on some platforms: mingw. @end itemize Portability problems not fixed by Gnulib: @itemize @end itemize