_IOERR 49 lib/fpending.c #elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, UnixWare, mingw, MSVC, NonStop Kernel, OpenVMS */ _IOERR 158 lib/stdio-impl.h # ifndef _IOERR _IOERR 168 lib/stdio-impl.h #if defined _IOERR