@node truncate @section @code{truncate} @findex truncate POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/truncate.html} Gnulib module: truncate Portability problems fixed by Gnulib: @itemize @item This function is missing on some platforms: mingw, MSVC 14, Android 4.4 with @code{AC_SYS_LARGEFILE} in effect. @item On platforms where @code{off_t} is a 32-bit type, this function is not applicable to arbitrary lengths for files 2 GiB and larger. @xref{Large File Support}. @item This function does not fail when the file name argument ends in a slash and (without the slash) names a non-directory, on some platforms: AIX 7.2. @end itemize Portability problems not fixed by Gnulib: @itemize @end itemize