keylet
bibskel[i].keylet, line);
fprintf(fp, "%s %s", bibskel[i].keylet, line);
char keylet[5]; /* key letter for database */
bibskel[entry].keylet[j] = str[i];
bibskel[entry].keylet[j] = '\0';
char keylet(char *, int);
addch(t, keylet(t, nref));