imap_status() does segfault.

OS: FreeBSD 3.0 Server: Apache/1.3.6 Ben-SSL/1.34 (Unix) PHP/3.0.11 (gdb) bt #0 0x80e80d5 in imap_status (stream=0x0, mbx=0x822af90 "INBOX", flags=1) at imap4r1.c:484 #1 0x80e8084 in imap_status (stream=0x821eb00, mbx=0x822af90 "INBOX", flags=1) at imap4r1.c:478 #2 0x80d350d in mail_status (stream=0x821eb00, mbx=0x822af90 "INBOX", flags=1) at mail.c:697 #3 0x808206d in php3_imap_status (ht=0x822b9d0, return_value=0x81c6d4c, list=0x81c98d0, plist=0x81c98a4) at functions/imap.c:2188 #4 0x809f1e0 in phpparse () at control_structures_inline.h:934 #5 0x8067e7a in php3_parse (yyin=0x2828b0d4) at main.c:1553 #6 0x8068118 in apache_php3_module_main (r=0x8225034, fd=21, display_source_mode=0, preprocessed=0) at main.c:1934 #7 0x806554e in send_php3 () #8 0x80655b2 in send_parsed_php3 () #9 0x80a8a1b in ap_invoke_handler () #10 0x80bb061 in process_request_internal () #11 0x80bb0c0 in ap_process_request () #12 0x80b2e6d in child_main () #13 0x80b2ff8 in make_child () #14 0x80b3153 in startup_children () #15 0x80b36f4 in standalone_main () #16 0x80b3f27 in main () #17 0x804c16d in _start ()