add directory study

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

@@ -0,0 +1,11 @@
+/*                              f s e t p o s                              */
+
+#include "stdiolib.h"
+
+/*LINTLIBRARY*/
+
+int fsetpos F2(FILE *, fp, fpos_t *, pp)
+
+{
+  return fseek(fp, *pp, SEEK_SET) != 0 ? EOF : 0;
+}