$ ./test_sybase
ERROR: Connection dropped
ct_config(CS_SET, CS_LOGIN_TIMEOUT) failed at /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi/DBD/Sybase.pm line 94.
ct_config(CS_SET, CS_TIMEOUT) failed at /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi/DBD/Sybase.pm line 94.
ct_con_alloc failed at /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi/DBD/Sybase.pm line 94.
ERROR: unable to connect to SISDBA