MySQL 5.7 C API Developer Guide
MYSQL_RES *
mysql_list_dbs(MYSQL *mysql,
const char *wild)
Returns a result set consisting of database names on the
server that match the simple regular expression specified by
the wild parameter. wild
may contain the wildcard characters % or
_, or may be a NULL
pointer to match all databases. Calling
mysql_list_dbs() is similar to
executing the query SHOW DATABASES [LIKE
.
wild]
You must free the result set with
mysql_free_result().
Commands were executed in an improper order.
Out of memory.
The MySQL server has gone away.
The connection to the server was lost during the query.
An unknown error occurred.