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9-Digit Zip Code Directory (American Business Information) (ABIZIP-12).ISO
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Z4CSKEY.C
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C/C++ Source or Header
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1993-07-02
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2KB
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66 lines
//----------------------------------------------------------------------------
// MODULE DESCRIPTION
//
// Module: z4cskey.c
// Title: ZIP+4 Engine
// Notice: John M. Weeder
// Copyright (c) 1993. All rights reserved.
// This module contains proprietary information and should be
// treated as confidential.
//
//----------------------------------------------------------------------------
// MAINTENANCE HISTORY
//
// $Workfile$
// $Revision$
// $Author$
// $Date$
// $Log$
//
//----------------------------------------------------------------------------
// MODULE NARRATIVE
//
//
// This module contains code to generate the city/state file key.
//
// The code in this module should be written entirely in C.
// Do not use any C++ constructs.
//
// This module is portable to:
// DOS 3.X+
// MS Windows 3.X+
// OS/2 2.X+
// OS/2 2.0 PM
// SCO UNIX.
//
// The following compilers are supported:
// MSC 6.0A
// MSC/C++ 7.0
// Borland C++ 3.1 for DOS
// Borland C++ 1.0 for OS/2 2.X
// SCO UNIX cc
//
//----------------------------------------------------------------------------
#include <z4.h>
//----------------------------------------------------------------------------
// Description:
// Parameters:
// Returns:
//----------------------------------------------------------------------------
VOID FN_E Z4CSKey(PBYTE pb, Z4_STATE state, PCSZ pcszCity)
{
if (pcszCity == NULL)
pcszCity = "";
if (state < Z4_ST_FIRST || state > Z4_ST_LAST)
pb[0] = 0;
else
pb[0] = (BYTE)state;
pb[1] = (BYTE)toupper(pcszCity[0]);
return ;
}
//----------------------------------------------------------------------------
//------------------------------- End of File --------------------------------
//----------------------------------------------------------------------------