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The C Users' Group Library 1994 August
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wc-cdrom-cusersgrouplibrary-1994-08.iso
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vol_100
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137_01
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lsup.c
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/************************************************************************
* *
* lsup.c created: 25-Mar-84 *
* *
* long pointer support for small memory model 8086 C compilers. *
* *
* version 1.00 as of 25-Mar-84 *
* *
* Copyright 1984 (c) Anthony Skjellum. *
* All rights reserved. *
* *
* This program may be freely distributed for all non-commercial *
* purposes, but may not be sold. *
* *
* The routines contained here are designed to be portable to *
* a large variety of compilers. Currently they have been tested *
* with Aztec C86 v 1.05i only. *
* *
* Modules comprising this package: *
* *
* lsup.c this file. *
* lsup.h header/definition file. *
* _lsup.h lower level header for this file *
* llsup.asm assembly language support (compiler *
* independent) *
* llint.asm compiler interface code (compiler *
* dependent) *
* *
* Subroutines included here: *
* (those marked with an asterisk are only included if compiler *
* used lacks some preprocessor support feature) *
* *
* *
* *
************************************************************************/
#include "_lsup.h" /* header with definitions */
/*
Special routines: Included only if compiler lacks one of
several features.
*/
/* lassign(dest,source): assignment of type LPTR to the left */
#ifndef MSUBST
lassign(dest,source)
LPTR dest;
LPTR source;
{
dest._llong = source._llong; /* assignment */
}
#endif
/*
General purpose routines:
*/
/* llstrcpy(dest,src): copy null terminated strings between long ptrs */
llstrcpy(dest,src)
LPTR *dest;
LPTR *src;
{
char chr; /* temporary */
while(1) /* loop */
{
chr = lchr(&src); /* get a character */
l_stchr(&dest,chr); /* store a character */
linc(&dest); /* increment destination ptr */
linc(&src); /* and source pointer */
if(!chr) /* we are done at eos */
break;
}
}
/* debugging routines: */
lprint(lptr)
LPTR *lptr;
{
printf("%lx",lptr->_llong);
}