-HP-UX 11.00, IRIX 6.5, Solaris 2.6, mingw, Interix 3.5.
+Minix 3.1.8, HP-UX 11.00, IRIX 6.5, Solaris 2.6, mingw, Interix 3.5.
+@item
+This function does not work on some platforms:
+HP-UX 11, Solaris 11 2010-11.
+@item
+This function does not work when the first argument is NULL on some platforms:
+mingw.