You can call the mysql_stat() function to return a string containing server information similar to that provided by the mysqladmin status command. The information includes the uptime in seconds and the number of running threads, questions, reloads, and open tables.
Syntax
const char *
mysql_stat(MYSQL *mysql)
Return values
A character string describing the server status is returned. NULL is returned if an error occurred.
Errors
CR_COMMANDS_OUT_OF_SYNC: Commands were executed in an improper order.CR_SERVER_GONE_ERROR: The connection to the OBServer was disconnected.CR_SERVER_LOST: The connection to the server was lost during the query.CR_UNKNOWN_ERROR: An unknown error occurred.