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formal-list
is forma)-sublist[separatorformalsublist)...
formalsublist
is VAL simple-varlist
or CONST simple-varlist
or [VAR)fomal-var-list
simple-var-list
is idenfifler[, identifier)
formalvar-list
is ormal-var[, formal-var).,.
formal-var
is idenfifieror formal-array
formal-array
is array-identifier) [, )... I
separator
is or
INKEY (see Chapter 10)
Use INKEY is a function which returns a numeric value corresponding to a key press.
Syntax INKEY

INKEY$ (see Chapter 10)
Use INKEYS is afunction which returns a string value corresponding to a key press. Syntax INKEYS

INPUT (see Chapter 10)
Use INPUT inputs numeric or string vatuesfrom sequential input devices.
Syntax
INPUT [#stream-number[,))[ATIcoIumn:linel)[;)[prompt)general—variable[,
general—variable)... [;)
INPUT$ (see Chapter 10)
Use INPUTS is afunction which returns a string containing a given number of
characters read from a given stream.
Syntax INPUT$I#stream-number, count)
or INPUT$)count, [#)stream-number)
where countis an integer-expression, giving a value in the range 1.4096.

INSTR (see Chapter 4)
Use INSTR is a function which is used tofind out Hone string isa substring of another. Syntax INSTR)[start, )search-string , target-string)
where
startis an integer-expressionin the range 1.4096, and search-string and target-string are
string-expressions.
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