Symbol: yy_set_bol
sbin/unwind/libunbound/util/configlexer.c
3796
#ifndef yy_set_bol /* compat definition, for flex 2.4.6 */
sbin/unwind/libunbound/util/configlexer.c
6203
yy_set_bol(1); /* Set beginning of line, so "^" rules match. */