ProC 连接Oracle代码

<div class="codetitle"><a style="CURSOR: pointer" data="15078" class="copybut" id="copybut15078" onclick="doCopy('code15078')"> 代码如下:<div class="codebody" id="code15078">
int connectDb()
{
EXEC SQL BEGIN DECLARE SECTION;
char username[20];
char password[20];
char connect_string[20];
EXEC SQL END DECLARE SECTION; strcpy(username,"lbc1");
strcpy(password,"lbtux");
strcpy(connect_string,"lbc1"); EXEC SQL CONNECT :username IDENTIFIED BY :password USING :connect_string;
if ( sqlca.sqlcode < 0 )
{
return -1;
}
}