2.2. Generic Example Program

#include <stdio.h>
#include <dbi/dbi.h>

int main() {
    dbi_conn conn;
    dbi_result result;

    double threshold = 4.333333;
    unsigned long idnumber;
    const char *fullname;
    
    dbi_initialize(NULL);
    conn = dbi_conn_new("mysql");

    dbi_conn_set_option(conn, "host", "localhost");
    dbi_conn_set_option(conn, "username", "chug");
    dbi_conn_set_option(conn, "password", "dIP!");
    dbi_conn_set_option(conn, "dbname", "db_name");

    dbi_conn_connect(conn);
    result = dbi_conn_query(conn, "SELECT id, name FROM coders "
                                  "WHERE hours_of_sleep > %0.2f", threshold);
    
    while (dbi_result_next_row(result)) {
        idnumber = dbi_result_get_ulong(result, "id");
        fullname = dbi_result_get_string(result, "name");
        printf("%i. %s\n", idnumber, fullname);
    }
    
    dbi_result_free(result);
    dbi_conn_close(conn);
    dbi_shutdown();

    return 0;
}