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REFERENCE TO BUILT-IN AND REXXSUPPORT.LIBRARY FUNCTIONS
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This section presents a reference to built-in functions and to the
functions included in rexxsupport.library .
Each node begins with a template that shows the format of the arguments
accepted by the function. The following conventions are used:
<> A word or term surrounded by angle brackets should be replaced by
an expression. Any form of expression that returns a value of the
proper type may be used in place of this item. The replacement is
often a variable , but it could also be a literal value, an
operation , or another function call .
The names used for the items in each template are included as
mnemonic devices -- terms that may help the user remember what
each expression stands for. They are not otherwise significant.
Each term is explained in more detail in the note following the
template.
[] Items enclosed in square brackets are optional. They may be
excluded when the function is called, but the commas that
separate optional items are significant. If only the second of
two optional items is included, a comma must still be used as a
placeholder for the omitted item as it is in the following:
SHOW('P',,'0a'x)
{} Items enclosed in curly braces and entered in uppercase are
literal values. The expression used for such an argument must
return one of the values from the list.
| A bar is used to separate a list of literal values within {}
braces.
<UC> UPPERCASE characters are used to indicate literal values that may
be used as argument. The value may be entered in upper or
lowercase when the instruction is actually used. Only the first
letter of the option need be included. The value may be entered
as any type of expression .
>>> Three angle-braces are used in examples to indicate what the
example would output if run from a shell. Those braces and the
following text is not part of the code and should not be
entered if the example is used.
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