84 	const char *histfile;  in get_histfile()  local
89 	histfile = expandstr("${HISTFILE-${HOME-}/.sh_history}");  in get_histfile()
91 	if (histfile[0] == '\0')  in get_histfile()
93 	return (histfile);  in get_histfile()
101 	const char *histfile;  in histsave()  local
105 	if (!savehist || (histfile = get_histfile()) == NULL)  in histsave()
108 	asprintf(&histtmpname, "%s.XXXXXXXXXX", histfile);  in histsave()
120 	    rename(histtmpname, histfile) == -1)  in histsave()
131 	const char *histfile;  in histload()  local
134 	if ((histfile = get_histfile()) == NULL)  in histload()
137 	if (history(hist, &he, H_LOAD, histfile) != -1 || errno == ENOENT)  in histload()