DtvLong dal_fld_rea_fld (idf, row, dat)

Reads the value type dependently at the specified row position in the field.

Input Parameters Significance
DtvLong idf field Id
DtvLong row row position

Output Parameters Significance
void *dat value

Return Code Significance
0 no error
-1 field Id is NULL
1 wrong row position
3 wrong field type

The pointer > dat < must correspond to the type of the field: