Added protos for the upcoming curl_*_strerror() functions

include/curl/curl.h

@@ -1066,7 +1066,6 @@ void curl_slist_free_all(struct curl_slist *);
  */
 time_t curl_getdate(const char *p, const time_t *now);
 
-
 #define CURLINFO_STRING   0x100000
 #define CURLINFO_LONG     0x200000
 #define CURLINFO_DOUBLE   0x300000
@@ -1242,6 +1241,28 @@ typedef struct {
  */
 curl_version_info_data *curl_version_info(CURLversion);
 
+/*
+ * NAME curl_easy_strerror()
+ *
+ * DESCRIPTION
+ *
+ * The curl_easy_strerror function may be used to turn a CURLcode value
+ * into the equivalent human readable error string.  This is useful
+ * for printing meaningful error messages.
+ */
+const char *curl_easy_strerror(CURLcode);
+
+/*
+ * NAME curl_share_strerror()
+ *
+ * DESCRIPTION
+ *
+ * The curl_share_strerror function may be used to turn a CURLSHcode value
+ * into the equivalent human readable error string.  This is useful
+ * for printing meaningful error messages.
+ */
+const char *curl_share_strerror(CURLSHcode);
+
 #ifdef  __cplusplus
 }
 #endif

include/curl/multi.h

@@ -203,6 +203,17 @@ CURLMcode curl_multi_cleanup(CURLM *multi_handle);
 CURLMsg *curl_multi_info_read(CURLM *multi_handle,
                               int *msgs_in_queue);
 
+/*
+ * NAME curl_multi_strerror()
+ *
+ * DESCRIPTION
+ *
+ * The curl_multi_strerror function may be used to turn a CURLMcode value
+ * into the equivalent human readable error string.  This is useful
+ * for printing meaningful error messages.
+ */
+const char *curl_multi_strerror(CURLMcode);
+
 #ifdef __cplusplus
 } /* end of extern "C" */
 #endif