A value of zero in the first word of the argument and a zero in the second word denotes an omitted argument. An omitted argument is different from a null string argument (indicated by a non-zero first word and a zero in the second word). For example, this function call:
x = abc(,"",3)
Results in this argument list:
DC A(0),F"0" DC A(ARG2),F"0" DC A(ARG3),F"1" DC X"FFFFFFFF",X"FFFFFFFF"
In this example:
ARG2 DC C" " or ARG2 EQU 1 ARG3 DC C"3"
The "" symbol denotes a null argument.
|
Copyright © 2014 CA.
All rights reserved.
|
|