sqlstate 02000 while declaring cursor/freeing prepared statements

I'm new to the PostgreSQL community so please pardon what is probably a 
silly question. Also, this is my first attempt at posting so you might 
have seen this already (Sorry!) ...

I'm in the process of porting Informix ESQL to PostgreSQL. I 
occasionally get sqlcode = 100 and sqlstate = 02000 when declaring 
cursors or freeing prepared statements. Is this normal? For example:
    $declare loop1 cursor with hold for    select distinct ( tabname )    from meta ;

results in sqlca.sqlcode = 100 and sqlca.sqlstate = '02000'
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Andrew Rost
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