man PX_get_data_double (Fonctions bibliothèques) - Get double data field
NAME
PX_get_data_double - Get double data field
SYNOPSIS
#include <paradox.h>
int PX_get_data_double(pxdoc_t *pxdoc, char *data, int len, double *value)
DESCRIPTION
Converts a data field as it stored in the database file into a double for the host architecture. You should use this function instead of accessing the data directly.
data points to the start of the data field in the record. It must be calculated by summing up all field length before the field to operate on and add it to the base pointer of the record.
RETURN VALUE
Returns 0 if the value is NULL, -1 in case of an error and 1 otherwise.
SEE ALSO
AUTHOR
This manual page was written by Uwe Steinmann uwe@steinmann.cx.