#define PerlIO_fdopen PerlSIO_fdopen
#define PerlIO_reopen PerlSIO_freopen
#define PerlIO_close(f) PerlSIO_fclose(f)
-#define PerlIO_puts(f,s) PerlSIO_fputs(f,s)
-#define PerlIO_putc(f,c) PerlSIO_fputc(f,c)
+#define PerlIO_puts(f,s) PerlSIO_fputs(s,f)
+#define PerlIO_putc(f,c) PerlSIO_fputc(c,f)
#if defined(VMS)
# if defined(__DECC)
/* Unusual definition of ungetc() here to accomodate fast_sv_gets()'