@node getpwuid_r @section @code{getpwuid_r} @findex getpwuid_r POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpwuid_r.html} Gnulib module: extensions Portability problems fixed by Gnulib: @itemize @item This function has an incompatible declaration on some platforms: Solaris 11.3 (when @code{_POSIX_PTHREAD_SEMANTICS} is not defined). @end itemize Portability problems not fixed by Gnulib: @itemize @item This function is unsafe to call between @code{fork} and @code{exec} if the parent process is multi-threaded. Use it prior to forking. @item This function is missing on some platforms: OpenBSD 3.8, Minix 3.1.8, mingw, MSVC 14, Android 3.0. @end itemize