as400 built in function- %PARMS

1.  %PARMS (Return Number of Parameters)
%PARMS returns the number of parameters that were passed to the procedure in which
%PARMS is used. For the main procedure, %PARMS is the same as *PARMS.
Example – I
%PARMS in CALL BY VALUE
Columns . . . :
6 80
Browse
AMITCC/QRPGLESRC
SEU==>
PARM_PGM
FMT D DName+++++++++++ETDsFrom+++To/L+++IDc.Keywords+++++++++++++++++++++++++++++
*************** Beginning of data ************** ******************* ***************
0001.00 DCALL1
PR
0002.00 DPARM1
2 0 VALUE
0003.00 DPARM2
2 0 VALUE
0004.00 DPARM_COUNT
S
2 0 INZ(*ZEROS)
0005.00 C
CALLP
CALL 1(11:22)
0006.00 C
SETON
LR
0007.00 PCALL1
B
0008.00 DCALL1
PI
0009.00 DPARM11
2 0 VALUE
0010.00 DPARM22
2 0 VALUE
0011.00 C
EVAL
PARM_COUNT=%PARMS + PARM22+ PARM11
0012.00 C
PARM_COUNT
DSPLY
0013.00 PCALL1
E
****************** End of data ***************************************************
OUTPUT
DSPLY 35
Example – II
%PARMS in CALL BY VALUE
Columns . . . :
6 80
Browse
AMITCC/QRPGLESRC
SEU==>
PARM_PGM2
FMT D DName+++++++++++ETDsFrom+++To/L+++IDc.Keywords+++++++++++++++++++++++++++++
*************** Beginning of data ********************** **************************
0001.00 DCALL1
PR
0002.00 DPARM12 0
0003.00 DPARM2
2 0
0004.00 DPARM_COUNT
S
2 0 INZ(*ZEROS)
0005.00 DP1
S
2 0 INZ(11)
0006.00 DP2
S
2 0 INZ(22)
0007.00
0008.00 C
CALLP
CALL1(P1:P2)
0009.00 C
SETON
LR
0010.00 PCALL1
B
0011.00 DCALL1
PI
0012.00 DPA RM01
2 0
0013.00 DPARM02
2 0
0014.00 C
EVAL
PARM_COUNT=%PARMS + PARM02+ PARM01
0015.00 C
PARM_COUNT
DSPLY
0016.00 PCALL1
E
****************** End of data ********************* *****************************

2. OUTPUT
DSPLY 35