mysql_fetch_lengths(3) MariaDB Connector/C mysql_fetch_lengths(3)

mysql_fetch_lengths - returns an array of length values for the current row

#include <mysql.h>
unsigned long * mysql_fetch_lengths(MYSQL_RES * result);

The mysql_fetch_lengths() function returns an array containing the lengths of every column of the current row within the result set (not including terminating zero character) or NULL if an error occurred.

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result - a result set identifier returned by mysql_store_result(3) or mysql_use_result(3). ### Notes mysql_fetch_lengths() is valid only for the current row of the result set. It returns NULL if you call it before calling mysql_fetch_row(3) or after retrieving all rows in the result.

An array of unsigned long values . The size of the array can be determined by the number of fields in current result set.

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mysql_field_count(3)
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mysql_fetch_row(3)
Version 3.4