showbufc
showbufc(basecol, (unsigned char *)cp, len, VIS_DQ | VIS_TAB | VIS_NL);
showbufc(7, dp, datalen, 0);
showbufc(col, (unsigned char *)ptr, l, VIS_DQ|VIS_TAB|VIS_NL);
void showbufc(int _column, unsigned char *_dp, size_t _len, int _flags);
showbufc(basecol + sizeof("promise=") - 1,
showbufc(basecol + sizeof("execpromise=") - 1,
showbufc(basecol + sizeof("flags=") - 1,