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Saturday, February 7, 2009

Passing VARCHAR Variables to a Function in Pro*C

VARCHAR emp_name[20];
...
emp_name.len = 20;
SELECT ename INTO :emp_name FROM emp
WHERE empno = 7499;
...
print_employee_name(&emp_name); /* pass by pointer */
...

print_employee_name(name)
VARCHAR *name;
{
...
printf("name is %.*s\n", name->len, name->arr);
...
}

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