--- configure.in-ORIG	Wed Feb 22 11:56:57 2006
+++ configure.in	Wed Feb 22 11:56:19 2006
@@ -69,11 +69,12 @@
 AC_MSG_CHECKING([OS libc C99 '%a' support])
 AC_TRY_RUN([
 #include <stdio.h>
+#include <trio.h>
 int main(int argc, char **argv) {
   char buf[4096];
-  float ival = 0.1234, oval = 0.0;
-  snprintf(buf, sizeof(buf), "%a", (double)ival);
-  sscanf(buf, "%a", &oval);
+  double ival = 0.1234, oval = 0.0;
+  trio_snprintf(buf, sizeof(buf), "%a", ival);
+  trio_sscanf(buf, "%a", &oval);
   if (ival != oval) return -1;
   return 0;
 }
