-AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
-AC_CHECK_FUNCS(strcmp)
-AC_CHECK_FUNCS(realpath _fullpath)
-AC_CHECK_FUNCS(PBHSetVolSync macsystem)
-AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
-AC_CHECK_FUNCS(vsnprintf _vsnprintf)
-AC_CHECK_FUNCS(snprintf _snprintf )
-AC_CHECK_FUNCS(popen _popen )
-AC_CHECK_FUNCS(pclose _pclose )
-AC_CHECK_FUNCS(setenv unsetenv)
-
-
-dnl ** check for specific library functions that we are interested in
-AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat siginterrupt symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)