21     struct custom_ctx *cctx = (struct custom_ctx*)ctx;  in _rym_bg()  local
22     cctx->fpath[0] = '/';  in _rym_bg()
24     strcpy(&(cctx->fpath[1]), (const char*)buf);  in _rym_bg()
25     cctx->fd = open(cctx->fpath, O_CREAT | O_WRONLY | O_TRUNC, 0);  in _rym_bg()
26     if (cctx->fd < 0)  in _rym_bg()
34     cctx->flen = atoi((const char*)buf+strlen((const char*)buf)+1);  in _rym_bg()
35     if (cctx->flen == 0)  in _rym_bg()
36         cctx->flen = -1;  in _rym_bg()
45     struct custom_ctx *cctx = (struct custom_ctx*)ctx;  in _rym_tof()  local
46     RT_ASSERT(cctx->fd >= 0);  in _rym_tof()
47     if (cctx->flen == -1)  in _rym_tof()
49         write(cctx->fd, buf, len);  in _rym_tof()
53         int wlen = len > cctx->flen ? cctx->flen : len;  in _rym_tof()
54         write(cctx->fd, buf, wlen);  in _rym_tof()
55         cctx->flen -= wlen;  in _rym_tof()
65     struct custom_ctx *cctx = (struct custom_ctx*)ctx;  in _rym_end()  local
67     RT_ASSERT(cctx->fd >= 0);  in _rym_end()
68     close(cctx->fd);  in _rym_end()
69     cctx->fd = -1;  in _rym_end()