linecopy         1746 src/simh/linehistory.c   char *linecopy;
linecopy         1776 src/simh/linehistory.c   linecopy = strdup(line);
linecopy         1777 src/simh/linehistory.c   if (!linecopy)
linecopy         1792 src/simh/linehistory.c   history[history_len] = linecopy;