proc av_bprint_append_data(buf: ptr AVBPrint; data: cstring; size: cuint) {.
    importc, cdecl, ...raises: [], tags: [], forbids: [].}

proc av_bprint_chars(buf: ptr AVBPrint; c: cchar; n: cuint) {.importc, cdecl,
    ...raises: [], tags: [], forbids: [].}

proc av_bprint_clear(buf: ptr AVBPrint) {.importc, cdecl, ...raises: [], tags: [],
    forbids: [].}

proc av_bprint_escape(dstbuf: ptr AVBPrint; src, special_chars: cstring;
                      mode: AVEscapeMode; flags: cint) {.importc, cdecl,
    ...raises: [], tags: [], forbids: [].}

proc av_bprint_finalize(buf: ptr AVBPrint; ret_str: cstringArray): cint {.
    importc, cdecl, ...raises: [], tags: [], forbids: [].}

proc av_bprint_get_buffer(buf: ptr AVBPrint; size: cuint; mem: ptr ptr uint8;
                          actual_size: ptr cuint) {.importc, cdecl, ...raises: [],
    tags: [], forbids: [].}

proc av_bprint_init(buf: ptr AVBPrint; size_init, size_max: cuint) {.importc,
    cdecl, ...raises: [], tags: [], forbids: [].}

proc av_bprint_init_for_buffer(buf: ptr AVBPrint; buffer: cstring; size: cuint) {.
    importc, cdecl, ...raises: [], tags: [], forbids: [].}

proc av_bprint_is_complete(buf: ptr AVBPrint): cint {.inline, importc, cdecl,
    ...raises: [], tags: [], forbids: [].}

proc av_bprint_strftime(buf: ptr AVBPrint; fmt: cstring; tm: ptr tm) {.importc,
    cdecl, ...raises: [], tags: [], forbids: [].}

proc av_bprintf(buf: ptr AVBPrint; fmt: cstring) {.varargs, importc, cdecl,
    ...raises: [], tags: [], forbids: [].}

proc av_vbprintf(buf: ptr AVBPrint; fmt: cstring; vl_arg: va_list) {.importc,
    cdecl, ...raises: [], tags: [], forbids: [].}