Autocheck for snprintf, and use sprintf if it is not available.
Remove declaration of h_errno, since it is supposedly declared in netdb.h.
Changes proposed by itojun.
diff --git a/configure b/configure
index 990faa0..45fc161 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
#! /bin/sh
-# From configure.in Revision: 1.232
+# From configure.in Revision: 1.233
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 2.13
@@ -4519,7 +4519,7 @@
nice pathconf pause plock poll pthread_init \
putenv readlink \
select setegid seteuid setgid \
- setlocale setregid setreuid setsid setpgid setuid setvbuf \
+ setlocale setregid setreuid setsid setpgid setuid setvbuf snprintf \
sigaction siginterrupt sigrelse strftime strptime symlink sysconf \
tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
truncate uname waitpid _getpty getpriority