linecopy         1751 src/simh/linehistory.c   char *linecopy;
linecopy         1781 src/simh/linehistory.c   linecopy = strdup(line);
linecopy         1782 src/simh/linehistory.c   if (!linecopy)
linecopy         1797 src/simh/linehistory.c   history[history_len] = linecopy;