pipt_exdescx

This function retrieves the extended descriptor for a point.

C format

int32 pipt_exdescx(

int32 pt,

char PIPTR * exdesc,

int32 * len );

Returns

>0

System error

0

Success

-1

Point does not exist

-411

Extended descriptor is truncated (passed buffer not large enough)

Arguments

pt (passed)

Point number

exdesc (returned)

Extended descriptor. Starting with PI 3.4.370 this value can be any length, but typically not more than 1024 characters long. Prior versions of PI will return only up to 80 characters.

len (passed , modified)

Size of the extended descriptor buffer on input, the actual length of the extended descriptor on return.

Usage Notes

Enabling Operational Intelligence