80 static char **curshell, **shells, *strings;  variable
105     if (strings != NULL)  in endusershell()
106 	free(strings);  in endusershell()
107     strings = NULL;  in endusershell()
131     free(strings);  in initshells()
132     strings = NULL;  in initshells()
143     strings = malloc(cp - tmp);  in initshells()
144     if(strings == NULL) {  in initshells()
149     memcpy(strings, tmp, cp - tmp);  in initshells()
150     for(sp = shells, cp = strings; *cp; cp += strlen(cp) + 1, sp++)  in initshells()
159     if ((strings = malloc((u_int)statb.st_size)) == NULL) {  in initshells()
166 	free(strings);  in initshells()
167 	strings = NULL;  in initshells()
171     cp = strings;  in initshells()