# Basic functions check
AC_CHECK_FUNCS([ \
atexit bzero clock_gettime dup2 fdatasync fls ftruncate \
- gethostbyname gethostname getpagesize localtime_r memchr memset \
+ gethostbyname gethostname getpagesize localtime_r memchr memrchr memset \
mkdir munmap putenv realpath rmdir socket strchr strcspn strdup \
strncasecmp strndup strnlen strpbrk strrchr strstr strtol strtoul \
strtoull dirfd gethostbyname2 getipnodebyname epoll_create1 \