List of histograms

[HISTLIST] 

                        +------------------------+
                        | CALL  HID1 (IDVECT*,N*) |
                        +------------------------+
Action: Returns the number and identifiers of all existing 1-dimensional histograms.

Output Parameters:
IDVECT
Array which will contain the histogram identifiers, in booking order. Its dimension should be at least equal to the number of 1-dimensional histograms.
N
Number of 1-dimensional histograms. 

                        +------------------------+
                        | CALL  HID2 (IDVECT*,N*) |
                        +------------------------+

Action: Returns the number and identifiers of all existing 2-dimensional histograms. (see HID1). 

                       +--------------------------+
                       | CALL  HIDALL (IDVECT*,N*) |
                       +--------------------------+

Action: Returns the number and identifiers of all existing histograms. (see HID1).