The Rewrite function is declared as follows:
type function-name (parameter-list)
where type specifies the return type of the function, function-name declares the symbolic name of the function and parameter-list declares the formal parameters to the function. It is a comma-separated list of declarations in the form:
type parm-name
type being the parameter type, and parm-name being its symbolic name. Both function-name and parm-name should be valid identifiers.
There are no global variables in Rewrite. All variables are local. The local variables are declared right after the opening curly brace (`{') and before any executable statements. The declaration syntax is:
type ident_list ;
Here ident_list is either a valid Rewrite identifier, or a comma- separated list of such identifiers. Please note that, unlike in C, no assignments are allowed in variable declarations.
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