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Cream of the Crop 1
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DJLSR106.ARJ
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STRNCAT.C
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C/C++ Source or Header
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1992-03-02
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/* This is file STRNCAT.C */
/* This file may have been modified by DJ Delorie (Jan 1991). If so,
** these modifications are Coyright (C) 1991 DJ Delorie, 24 Kirsten Ave,
** Rochester NH, 03867-2954, USA.
*/
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Chris Torek.
*
* Redistribution and use in source and binary forms are permitted provided
* that: (1) source distributions retain this entire copyright notice and
* comment, and (2) distributions including binaries display the following
* acknowledgement: ``This product includes software developed by the
* University of California, Berkeley and its contributors'' in the
* documentation or other materials provided with the distribution and in
* all advertising materials mentioning features or use of this software.
* Neither the name of the University nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strncat.c 5.5 (Berkeley) 5/17/90";
#endif /* LIBC_SCCS and not lint */
#include <sys/stdc.h>
#include <string.h>
/*
* Concatenate src on the end of dst. At most strlen(dst)+n+1 bytes
* are written at dst (at most n+1 bytes being appended). Return dst.
*/
char *
strncat(dst, src, n)
char *dst;
const char *src;
register int n;
{
if (n != 0) {
register char *d = dst;
register const char *s = src;
while (*d != 0)
d++;
do {
if ((*d = *s++) == 0)
break;
d++;
} while (--n != 0);
*d = 0;
}
return (dst);
}