wm: teppich

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import strncat

--- /dev/null

+++ b/libc/strncat.c

@@ -1,0 +1,20 @@

+#include <u.h>

+#include <libc.h>

+

+char*

+strncat(char *s1, char *s2, long n)

+{

+	char *os1;

+

+	os1 = s1;

+	while(*s1++)

+		;

+	s1--;

+	while(*s1++ = *s2++)

+		if(--n < 0)

+		{

+			s1[-1] = 0;

+			break;

+		}

+	return os1;

+}