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#include <sys/time.h>
#include <stdio.h>
#include <mysql.h>
void main(char **args) {
MYSQL_RES *result;
MYSQL_ROW row;
MYSQL *connection, mysql;
int state;
/* connect to the mySQL database at athens.imaginary.com */
connection = mysql_connect(&mysql, \localhost\, \dshin\, \dshin\);
/* check for a connection error */
if( connection == NULL ) {
/* print the error message stored in MsqlErrMsg */
printf(mysql_error(&mysql));
exit(-1);
}
/* select which database to use on the server */
state = mysql_select_db(connection, \dshin\);
/* again, -1 means an error */
if( state == -1 ) {
printf(\%s\n\,mysql_error(connection));
/* close up our connection before exiting */
mysql_close(connection);
exit(-1);
}
state = mysql_query(connection, \SELECT * FROM account\);
if( state == -1 ) {
printf(\%s\n\,mysql_error(connection));
exit(-1);
}
/* must call mysql_store_result() before we can issue any
* other Query() calls
*/
result = mysql_store_result(connection);
printf(\Rows: %d\n\, mysql_num_rows(result));
/* process each row in the result set */
printf(\Branch_name Account_number Balance\n\);
while( ( row = mysql_fetch_row(result)) != NULL ) {
printf(\%s %s %s\n\, row[0], row[1], row[2]);
}
/* free the result set */
mysql_free_result(result);
/* close the connection */
mysql_close(connection);
printf(\Done.\n\);
}
================
Makefile
================
CC=gcc
MYSQLDIR=-L/home/dba/mysql/lib
MYSQLINC=-I/home/dba/mysql/include
MYSQLLIB=-lmysqlclient -lnsl
select: select.c
$(CC) $(MYSQLDIR) $(MYSQLINC) -o select select.c $(MYSQLLIB)
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