@node sendfile @subsection @code{sendfile} @findex sendfile LSB specification:@* @url{https://refspecs.linuxbase.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/baselib-sendfile.html} Documentation:@* @uref{https://www.kernel.org/doc/man-pages/online/pages/man2/sendfile.2.html,,man sendfile} Gnulib module: --- Portability problems fixed by Gnulib: @itemize @end itemize Portability problems not fixed by Gnulib: @itemize @item This function is missing on some platforms: NetBSD 9.0, OpenBSD 6.7, Minix 3.1.8, AIX 5.1, IRIX 6.5, Solaris 11 2010-11, Cygwin 2.9, mingw, MSVC 14, Android 4.4. @item On platforms where @code{off_t} is a 32-bit type, this function may not work correctly on files larger than 2 GB@. The fix is to use the @code{AC_SYS_LARGEFILE} macro. @end itemize