@node euidaccess @subsection @code{euidaccess} @findex euidaccess Documentation:@* @uref{https://www.kernel.org/doc/man-pages/online/pages/man3/euidaccess.3.html,,man euidaccess} Gnulib module: euidaccess Portability problems fixed by Gnulib: @itemize @item This function is missing on many non-glibc platforms: macOS 11.1, FreeBSD 13.0, NetBSD 9.0, OpenBSD 6.7, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 11.3, Cygwin 1.5.x, mingw, MSVC 14, Android 9.0. @end itemize Portability problems not fixed by Gnulib: @itemize @end itemize Other problems of this function: @itemize @item There is an inherent race between calling this function and performing some action based on the results; you should think twice before trusting this function, especially in a set-uid or set-gid program. @item This function does not have an option for not following symbolic links (like @code{stat} versus @code{lstat}). If you need this option, use the Gnulib module @code{faccessat} with the @code{AT_EACCESS} flag. @end itemize