1 files changed, 12 insertions, 0 deletions

diff --git a/fmt_strn.c b/fmt_strn.c
new file mode 100644
index 0000000..3ef58a6
--- /dev/null
+++ b/fmt_strn.c
@@ -0,0 +1,12 @@
+#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;
+}