usr.bin/less/funcs.h
257
int is_hilited(off_t, off_t, int, int *);
usr.bin/less/input.c
191
if (status_col && is_hilited(base_pos, ch_tell()-1, 1, NULL))
usr.bin/less/input.c
368
is_hilited(base_pos, curr_pos-1, 1, NULL))
usr.bin/less/line.c
496
if (is_hilited(pos, pos+1, 0, &matches)) {