so this will still build for solaris 2.5.1, build our snprintf
/* snprintf.c - Formatted, length-limited print to a string */
#include <afs/param.h>
-#if defined(AFS_OSF20_ENV) && !defined(AFS_DUX50_ENV) || defined(AFS_AIX32_ENV)
+#if defined(AFS_OSF20_ENV) && !defined(AFS_DUX50_ENV) || defined(AFS_AIX32_ENV) || (defined(AFS_SUN55_ENV) && !defined(AFS_SUN56_ENV))
#include <sys/types.h>
#include <stdarg.h>
#include <stdio.h>
#include <ctype.h>
#include <netinet/in.h>
#include <netdb.h>
-#if defined(AFS_AIX32_ENV)
+#if defined(AFS_AIX32_ENV) || defined(AFS_SUN55_ENV)
#include <sys/socket.h>
#endif