stdlib.h string.h sys/file.h sys/ioctl.h sys/mount.h \
sys/param.h sys/socket.h sys/time.h sys/vfs.h \
syslog.h unistd.h com_err.h et/com_err.h \
- ifaddrs.h nfs-plugin.h])
+ ifaddrs.h nfs-plugin.h libio.h])
dnl *************************************************************
dnl Checks for typedefs, structures, and compiler characteristics