Mongoose TCP tunnel

PUBLISHED_FROM=f03b963aaec02574e47c28ee8033551440b94f2d

docs/c-api/util.h/mg_mbuf_append_base64_putc.md

@@ -0,0 +1,10 @@
+---
+title: "mg_mbuf_append_base64_putc()"
+decl_name: "mg_mbuf_append_base64_putc"
+symbol_kind: "func"
+signature: |
+  void mg_mbuf_append_base64_putc(char ch, void *user_data);
+---
+
+Use with cs_base64_init/update/finish in order to write out base64 in chunks. 
+