[unix-history] / usr / src / lib / libcompat / 4.1 / strcatn.c

/* @(#)strcatn.c	4.1 (Berkeley) %G% */
/*
 * Concatenate s2 on the end of s1.  S1's space must be large enough.
 * At most n characters are moved.
 * Return s1.
 */

char *
strcatn(s1, s2, n)
register char *s1, *s2;
register n;
{
	register char *os1;

	os1 = s1;
	while (*s1++)
		;
	--s1;
	while (*s1++ = *s2++)
		if (--n < 0) {
			*--s1 = '\0';
			break;
		}
	return(os1);
}
Commit	Line	Data
f2be8b67 BJ	1	/* @(#)strcatn.c 4.1 (Berkeley) %G% */
	2	/*
	3	* Concatenate s2 on the end of s1. S1's space must be large enough.
	4	* At most n characters are moved.
	5	* Return s1.
	6	*/
	7
	8	char *
	9	strcatn(s1, s2, n)
	10	register char s1, s2;
	11	register n;
	12	{
	13	register char *os1;
	14
	15	os1 = s1;
	16	while (*s1++)
	17	;
	18	--s1;
	19	while (s1++ = s2++)
	20	if (--n < 0) {
	21	*--s1 = '\0';
	22	break;
	23	}
	24	return(os1);
	25	}