The following additional functions are available on OpenVMS Alpha
Version 7.3-1 and higher:
access fseeko
chmod ftello
chown ftw
fstat readdir_r
stat
vfscanf vfwscanf
vscanf vwscanf
vsscanf vswscanf
decc$feature_get_index
decc$feature_get_name
decc$feature_get_value
decc$feature_set_value