AIX 4.3 dosn't support it, for example.
AC_CHECK_FUNCS_ONCE([ \
arc4random arc4random_stir gai_strerror getaddrinfo getnameinfo inet_aton
sigaction sigprocmask snprintf vsnprintf strdup strndup strlcpy strlcat \
AC_CHECK_FUNCS_ONCE([ \
arc4random arc4random_stir gai_strerror getaddrinfo getnameinfo inet_aton
sigaction sigprocmask snprintf vsnprintf strdup strndup strlcpy strlcat \
+ strtok_r unsetenv waitpid])
# -- Configuration options --
# -- Configuration options --
if (!e || !*e)
return -1;
count = atoi(e);
if (!e || !*e)
return -1;
count = atoi(e);