295     char	*tmpname;  in findoldfile()  local
309     tmpname = alloc(strlen(cp) + 1);  in findoldfile()
310     strcpy(tmpname, cp);  in findoldfile()
311     tmpname[strlen(tmpname) - 1] = 'x';	// .exe -> .exx  in findoldfile()
313     if (access(tmpname, 0) == 0)  in findoldfile()
316 	    tmpname, cp, tmpname);  in findoldfile()
320     if (rename(cp, tmpname) != 0)  in findoldfile()
323 	    cp, tmpname, strerror(0));  in findoldfile()
329     if (rename(tmpname, cp) != 0)  in findoldfile()
332 	    tmpname, cp, strerror(0));  in findoldfile()
337     free(tmpname);  in findoldfile()