@node getdtablesize @subsection @code{getdtablesize} @findex getdtablesize SUSv2 specification: @url{https://pubs.opengroup.org/onlinepubs/7908799/xsh/getdtablesize.html} LSB specification:@* @url{https://refspecs.linuxbase.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/baselib-getdtablesize.html} Documentation:@* @uref{https://www.kernel.org/doc/man-pages/online/pages/man3/getdtablesize.3.html,,man getdtablesize} Gnulib module: getdtablesize Portability problems fixed by Gnulib: @itemize @item This function is missing on some platforms: Android LP64, mingw, MSVC 14, Android 9.0. @item This function is not declared on some platforms: Android 13 (LP32?). @item This function does not represent the true @code{RLIMIT_NOFILE} soft limit on some platforms: Android 13 (LP32?), Cygwin 1.7.25. @end itemize Portability problems not fixed by Gnulib: @itemize @item On OpenVMS, this function returns the maximum number of open file descriptors in a process. The possible values of file descriptors are not constrained by this function. @end itemize