add directory study

study/linux-travel/minix-386/estdio21.tar/estdio21/sprintf.c

@@ -0,0 +1,20 @@
+/*                              s p r i n t f                              */
+
+#include "stdiolib.h"
+
+/*LINTLIBRARY*/
+/*VARARGS2*/
+/*ARGSUSED*/
+
+int sprintf F2V(char *, buf, CONST char *, fmt,
+
+{
+  register VA_LIST, arg,		/* argument vector */
+  register int v;			/* return value */
+
+  VA_START(arg, fmt);)
+  v = vsprintf(buf, fmt, arg);
+  VA_END(arg);
+
+  return v;
+}