\param odr memory for result
\param arg sort spec string
\returns Z39.50 SortKeySpecList or NULL on error
-
+
The sort spec list is of the form:
- (field flags)+
+ (field flags)+
where field is either a string or one or more attribute pairs
key=value (there must be no blanks in either field of flags).
flags is a character list:
sS : respectcase / case-sensitive
! : abort of key is omitted in result
=value : missing value
-
+
Examples:
title a