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extern int x1f4_pick_program
    (void *program, void **expression);

The x1f4_pick_program function stores the address of the executable statement corresponding the last program program coded statement at the address pointed to by expression. The statement is a regular expression evaluator expression.

See Expression Evaluator.

The statement would be a ‘return’ introduced one.

See Imperative Language Syntax.

See Program Completions.

The result of the evaluation of the statement may be retrieved via such interfaces as x1f4_post_expression, though only if the statement was actually evaluated (i.e. the program completed execution successfully) and it should not be attempted otherwise.

See x1f4_post_expression.

The statement is not necessarily the last executable statement, for synthetic statements may be introduced after it.

The function returns 0.