AC_FUNC_VPRINTF
AC_CHECK_FUNCS([alarm atexit dup2 fdatasync ftruncate getcwd \
gethostbyaddr gethostbyname gethostname getmntent \
- gettimeofday hasmntopt inet_ntoa memset mkdir pathconf \
+ gettimeofday hasmntopt inet_ntoa innetgr memset mkdir pathconf \
realpath rmdir select socket strcasecmp strchr strdup \
strerror strrchr strtol strtoul])