_index_valid 133 uspace/lib/termui/src/history.c assert(_index_valid(history, history->viewport_top) || history->viewport_top == history->lines.tail); \ _index_valid 407 uspace/lib/termui/src/history.c assert(_index_valid(history, history->viewport_top)); _index_valid 413 uspace/lib/termui/src/history.c assert(_index_valid(history, idx)); _index_valid 656 uspace/lib/termui/src/history.c assert(_index_valid(history, current_line));HelenOS homepage, sources at GitHub