HelenOS sources

search_spt_mark_free 1946 uspace/app/edit/edit.c 	.mark_free = search_spt_mark_free,
search_spt_mark_free 1953 uspace/app/edit/edit.c 	.mark_free = search_spt_mark_free,
search_spt_mark_free 1324 uspace/dist/src/c/demos/edit/edit.c 	.mark_free = search_spt_mark_free,
search_spt_mark_free 1331 uspace/dist/src/c/demos/edit/edit.c 	.mark_free = search_spt_mark_free,
HelenOS homepage, sources at GitHub