# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([fcntl.h memory.h stdlib.h string.h sys/ioctl.h sys/time.h termios.h unistd.h])
AC_CHECK_HEADERS([fcntl.h memory.h stdlib.h string.h sys/ioctl.h sys/time.h termios.h unistd.h stdint.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST