rc_getstringptr
int rc_getstringptr(struct rcfile *, const char *, const char *, char **);
rc_getstringptr(smb_rc, sname, "charsets", &p);
rc_getstringptr(smb_rc, sname, "min_protocol", &p);
rc_getstringptr(smb_rc, sname, "max_protocol", &p);
rc_getstringptr(smb_rc, sname, "minauth", &p);
rc_getstringptr(smb_rc, sname, "signing", &p);
rc_getstringptr(smb_rc, sname, "workgroup", &p);
rc_getstringptr(smb_rc, sname, "domain", &p);
rc_getstringptr(smb_rc, sname, "user", &p);
rc_getstringptr(smb_rc, sname, "addr", &p);
rc_getstringptr(smb_rc, sname, "password", &p);
rc_getstringptr(rcfile, sname, "nbscope", &p);
rc_getstringptr(rcfile, sname, "wins1", &wins1);
rc_getstringptr(rcfile, sname, "nbns", &wins1);
rc_getstringptr(rcfile, sname, "wins2", &wins2);
error = rc_getstringptr(rcp, section, key, &value);