add ares_getopt prototype

1 files changed, 1 insertions, 0 deletions

diff --git a/ares.h b/ares.h
index 83a1c8e..18d3a72 100644
--- a/ares.h
+++ b/ares.h
@@ -218,6 +218,7 @@ int ares_parse_ns_reply(const unsigned char *abuf, int alen,
 void ares_free_string(void *str);
 void ares_free_hostent(struct hostent *host);
 const char *ares_strerror(int code);
+int ares_getopt(int nargc, char * const nargv[], const char *ostr);
 
 #ifdef  __cplusplus
 }