9.715 pread

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pread.html

Gnulib module: pread

Portability problems fixed by Gnulib:

• This function is missing on some platforms: HP-UX 10, mingw, MSVC 9, BeOS.
• On platforms where off_t is a 32-bit type, this function may not work correctly on files larger than 2 GB. (Cf. AC_SYS_LARGEFILE.)
• This function returns zero instead of positive values when large file support is enabled on some platforms: HP-UX 11.11.
• This function does not fail on pipes on some platforms: HP-UX 11.31.

Portability problems not fixed by Gnulib: