# Library Functions - Appendix References

Appendix C |

The following options are the allowed readType values for the PxIORead, PxIOKeyRead, PxIOIndexRead, and PxIORecordRead functions.

Option | Description
READ_TYPE_NO_OPTIONS | No special options are necessary for the read
READ_TYPE_IGNORE_LOCK | Ignore any locks on the record
READ_TYPE_LOCK | Lock the record before reading it
READ_TYPE_FIND | If the record is not found, do not change the file position. This option is not an allowed parameter for the PxIORead function.