New Information - SQL Server 2000 SP3.
Sets the username in the LOGINREC structure.
RETCODE DBSETLUSER (
LPCSTR username );
Is a pointer to a LOGINREC structure, which is passed as a parameter to dbopen. To get one of these pointers, call dblogin.
Is the username that is sent to Microsoft® SQL Server™ 2000. It must be a null-terminated character string. The maximum length of the string is 30 characters, not including the null-terminating character. SQL Server uses it to determine who is attempting the connection. The SQL Server usernames are defined in the syslogins table in the master database.
SUCCEED or FAIL.
For DBSETLUSER to have any effect, it must be called before dbopen.
Security Note When possible, use DBSETLSECURE to enable Windows Authentication rather than using DBSETLUSER and DBSETLPWD to enable SQL Server Authentication.