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@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 LP32.
@item
This function does not represent the true @code{RLIMIT_NOFILE} soft
limit on some platforms:
Android 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
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