pipt_exdesc

C format

This function retrieves the extended descriptor for a point.

Note: Starting with PI-API 1.4.0 this function has been deprecated in favor of  pipt_exdescx,  which supports extended descriptors greater than 80 characters long.

C format

int32 pipt_exdesc(

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.

len (passed)

Length of the extended descriptor buffer

Usage Notes

Enabling Operational Intelligence