string1 compare_op string2
string1 = string-variable
| byref_string_pointer | string_constant
compare_op
= > | >= | =
| <> | =< | <
string2 =
string1_types | string_functions
This compares the two strings returning -1 if
string1 satisfies the comparison_op with
string2. Returning 0 if the comparison_op is not
true.
String1 and String2 may be constant or variable strings. String2 may also be a FUNCTION of type STRING.