.TH "PX_GeT_DATA_DOUBLE" "3" 
.SH "NAME" 
PX_get_data_double \(em Get double data field 
.SH "SYNOPSIS" 
.PP 
#include <paradox.h> 
.PP 
int PX_get_data_double(pxdoc_t *pxdoc, char *data, int len, double *value) 
.SH "DESCRIPTION" 
.PP 
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. 
.PP 
\fBdata\fP 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. 
.PP 
.RS 
\fBNote:   
.PP 
This function is deprecated and obsolete if 
\fBPX_retrieve_record(3)\fP is used. 
.RE 
.SH "RETURN VALUE" 
.PP 
Returns 0 if the value is NULL, \-1 in case of an error and 1 
otherwise. 
.SH "SEE ALSO" 
.PP 
PX_get_data_byte(3), PX_get_data_long(3), PX_get_data_short(3), PX_get_data_alpha(3) 
.SH "AUTHOR" 
.PP 
This manual page was written by Uwe Steinmann uwe@steinmann.cx. 
.\" created by instant / docbook-to-man