qdb_cell()

Return a cell's data

Synopsis:

#include <qdb/qdb.h>

void * qdb_cell( qdb_result_t *res,
                 int row,
                 int col );

Arguments:

res: A pointer to a result structure to check.
row: The row number of the cell, where the first row is 0.>
col: The column number of the cell, where the first column is 0.

Library:

qdb

Description:

This function returns the data from one cell from a database query result. The returned pointer points to the beginning of the data. You must cast the pointer to the appropriate data type. For example:

uint64_t storage_type = *(uint64_t*)qdb_cell(res, 0, 0);

Returns:

A pointer: A pointer to the beginning of the cell's data.
NULL: An error occurred (errno is set).

Classification:

QNX Neutrino

Safety:
Interrupt handler	No
Signal handler	No
Thread	Yes

See also:

qdb_cell_length(), qdb_cell_type()