linecopy         1758 src/simh/linehistory.c   char *linecopy;
linecopy         1788 src/simh/linehistory.c   linecopy = strdup(line);
linecopy         1789 src/simh/linehistory.c   if (!linecopy)
linecopy         1804 src/simh/linehistory.c   history[history_len] = linecopy;