direct i/o. From-SVN: r22495
From-SVN: r22306
From Toon to fix spurious recursive i/o errors: * libI77/sfe.c (e_wdfe): Set f__init. * libI77/dfe.c (c_dfe): Check and set f__init. (s_rdfe, s_wdfe): Don't check and set f__init. From-SVN: r22294
From-SVN: r19877
"libf2c" directory. From-SVN: r17568