as400 built in function- %SIZE

1.  %SIZE
It returns the number of bytes occupied by the element.
The argument may be a literal, a named constant, a data structure, a field, an array etc.
For a null value field %SIZE returns full length.
If *ALL is specified as the second parameter for %SIZE, then the elements or occurrences size is also
taken into account for array or multiple occurrence data structure
Example
Columns . . . :
6 80
Edit
SEU==>
FMT D DName+++++++++++ETDsFrom+++To/L+++IDc.Keywords+++++++++++++++++++++++++++++
0001.00 dvar
s
5p 0
0002.00 dnum
s
5p 0
0003.00 dds1
ds
occurs(5)
0004.00 dname
10a
0005.00 daddr
20a
0006.00 c
evalnum=%size(var)
0007.00 c
numdsply
0008.00 c
evalnum=%size(name)
0009.00 c
numdsply
0010.00 c
evalnum=%size(addr)
0011.00 c
numdsply
0012.00 c
evalnum=%size(ds1)
0013.00 c
numdsply
0014.00 c
evalnum=%size(ds1:*all)
0015.00 c
numdsply
0016.00 c
setonlr
****************** End of data ********************************************
Output
DSPLY
DSPLY
DSPLY
DSPLY
DSPLY
3
10
20
30
15