#include "fmt.h"

unsigned int fmt_strn(s,t,n)
register char *s; register char *t; register unsigned int n;
{
 register unsigned int len;
 char ch;
 len = 0;
 if (s) { while (n-- && (ch = t[len])) s[len++] = ch; }
 else while (n-- && t[len]) len++;
 return len;
}