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Command

Description

Call statement

Branches to an external subroutine. Call returns to the next statement, after the external subroutine executes a Return.

Declare statement

Directs the compiler to recognize a call to a user-defined function or subroutine. Undeclared functions or subroutines will cause the compiler to abort.

Function statement

Establishes a procedure as a user-defined function so that it can return a value.

GoSub statement

Branches to local subroutine. Returns to the following statement, when the subroutine terminates with a Return statement.

Return statement

Branches back to calling statement + 1. If used from a function, Return can pass a value back to the calling stored procedure or event handler.

Subroutine statement
 

Establishes a procedure as a callable external subroutine.