5 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/chdir.html}
9 Portability problems fixed by Gnulib:
12 This function is declared in different header files (namely, @code{<io.h>} or
13 @code{<direct.h>}) on some platforms:
17 Portability problems not fixed by Gnulib: