fix "function declaration isn't a prototype" warnings from -Wstrict-prototypes

    mostly by using (void) instead of () for functions with empty parameter lists.

diff --git a/lib/sfio/sfhdr.h b/lib/sfio/sfhdr.h
index e436cd6229bb8c759c24bc7cd5bb0d4e0a725c3e..0288ff4a1ba7cfa60fe136a4c2f4549af8540ee4 100644 (file)
--- a/lib/sfio/sfhdr.h
+++ b/lib/sfio/sfhdr.h
@@ -857,7 +857,7 @@ extern "C" {
        Sfdouble_t sf_neg10[SF_MAXEXP10];       /* negative powers of 10        */
        uchar sf_dec[200];      /* ascii reps of values < 100   */
        char *sf_digits;        /* digits for general bases     */
-       int (*sf_cvinitf) ();   /* initialization function      */
+       int (*sf_cvinitf) (void);       /* initialization function      */
        int sf_cvinit;          /* initialization state         */
        Fmtpos_t *(*sf_fmtposf)
            _ARG_((Sfio_t *, const char *, va_list, int));