mysql in c++ initialize error occurs a simple program is executed in redhat9.0 , using gcc 3.2.2 compiler version ...

mysql in c++ initialize error occurs a simple program is executed in
redhat9.0 , using gcc 3.2.2 compiler version ...

#include <stdio.h>
#include <mysql.h>
#include <string.h>

int main()
{
        MYSQL* mysql;
        MYSQL_RES* res;
        MYSQL_ROW row;
        char query[80];

        mysql = mysql_init( NULL );

        if( mysql == NULL ) {

                mysql_real_connect( mysql, "localhost", "username",
"password","dbname", 0, "/tmp/mysql.sock", 0 );

                sprintf( query, "SELECT * FROM tablename" );
                mysql_real_query( mysql, query, (unsigned
int)strlen(query) );
                res = mysql_use_result( mysql );

                while( row = mysql_fetch_row( res ) ) {
                        printf( "%s %s\n", row[0], row[1] );
                }

                mysql_free_result( res );
                mysql_close( mysql );
        }

        else {
                printf( "mysql_init returned NULL\n" );
        }
        return 0;
}
"n1.cpp" 34L, 656C written

if i run the code iam getting the error as follows

[root@localhost yog]# gcc n1.cpp
/tmp/cccUdCdL.o(.text+0x16): In function `main':
: undefined reference to `mysql_init'
/tmp/cccUdCdL.o(.text+0x4b): In function `main':
: undefined reference to `mysql_real_connect'
/tmp/cccUdCdL.o(.text+0x81): In function `main':
: undefined reference to `mysql_real_query'
/tmp/cccUdCdL.o(.text+0x8f): In function `main':
: undefined reference to `mysql_use_result'
/tmp/cccUdCdL.o(.text+0xa0): In function `main':
: undefined reference to `mysql_fetch_row'
/tmp/cccUdCdL.o(.text+0xd8): In function `main':
: undefined reference to `mysql_free_result'
/tmp/cccUdCdL.o(.text+0xe6): In function `main':
: undefined reference to `mysql_close'
/tmp/cccUdCdL.o(.eh_frame+0x11): undefined reference to
`__gxx_personality_v0'
collect2: ld returned 1 exit status