int mysql_stmt_fetch_column(MYSQL_STMT *stmt,
MYSQL_BIND *bind, unsigned int column, unsigned long
offset)
Fetch one column from the current result set row.
bind provides the buffer where data should be
placed. It should be set up the same way as for
mysql_stmt_bind_result().
column indicates which column to fetch. The
first column is numbered 0. offset is the
offset within the data value at which to begin retrieving data.
This can be used for fetching the data value in pieces. The
beginning of the value is offset 0.
Zero for success. Nonzero if an error occurred.
Invalid column number.
The end of the result set has already been reached.