Updated January 2013; see History
xcall USPSBS, trackstr, routestr, barstr, status
USPSBS creates an encoded bar string for the US Post Office intelligent bar codes.
Parameters
trackstr (String, 21) [in]
tracking string
routestr (String, 12) [in]
route string
barstr (String, 66) [out]
returned encoded bar string. It is a character format equivalent of the graphic bar code, designed to be easy to convert to the graphic format. See the documentation on the USPS web page for specifications.
status (F) [out]
returned status code per the following table:
Value |
Description |
|---|---|
0 |
Sucess |
-1 |
Parameter error |
-2 |
Unable to load usps4cb.dll |
-3 |
Unable to locate the USPS4CB() function |
-99 |
Not supported on current platform |
>0 |
invalid trackstr and/or routestr |
Comments
The file usps4cb.dll is available from the US Postal Service's Intelligent Mail Barcode Resource Download Site and must be saved somewhere in the path or in the A-Shell bin directory.
See the publications on the above web site for details on creating the trackstr and routestr values.
See EXLIB:[908,52] for sample and test programs.
History
2013 January, A-Shell 6.1.1331: support added for Unix (routine previously was for Windows only)
2011 January, A-Shell 5.1.1201: added to A-Shell
