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3.21.3.2 x1f4_copy_expression

extern int x1f4_copy_expression
    (void **expression, void *x1f4_expression);

The x1f4_copy_expression function creates a copy of the x1f4_expression expression parsed represention and stores its reference at the address indicated by expression.

The function returns 0 for success, non zero otherwise.

If the application stacks allocation was requested for the x1f4_expression expression parsed representation the newly created expression parsed representation will not have the expression evaluation required stacks allocated and it will be marked as application stacks allocation requested.

See Managing Stacks.