mysql_stmt_field_count(3) MariaDB Connector/C mysql_stmt_field_count(3)

mysql_stmt_field_count - Returns the number of fields in a result set

#include <mysql.h>
unsigned int mysql_stmt_field_count(MYSQL_STMT * stmt);

Returns the number of fields in a result set of a prepared statement.

Number of fields or zero if the prepared statement has no result set.

stmt - a statement handle, which was previously allocated by mysql_stmt_init(3).

The number of fields will be available after calling mysql_stmt_prepare(3)
mysql_stmt_field_count() returns zero for statements which don’t produce a result set.

mysql_stmt_prepare(3)
mysql_stmt_param_count(3)
Version 3.3.1