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/*
* String expansion and normalization of 'plain text' line data.
* $Id$
* Copyright (c) 1997 by Tycho Softworks.
* For conditions of distribution and reuse see product license.
*/
#include <std/string.h>
char *expand(const char *s)
{
static char buf[320];
int pos = 0;
while(*s)
{
if(*s == '\t')
{
buf[pos++] = ' ';
while(pos % 8)
buf[pos++] = ' ';
}
else if (*s > 31)
buf[pos++] = *s;
else
{
buf[pos++] = '^';
buf[pos++] = *s + '@';
}
++s;
}
buf[pos] = 0;
return buf;
}
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