get_passwd
char *pass_str = get_passwd(opt_srv_secret, "PBMAC secret of mock server");
char *pass_string = get_passwd(opt_secret, "PBMAC");
pass_string = get_passwd(opt_newkeypass,
char *pass_string = get_passwd(pass, desc);
char *pass_string = get_passwd(pass, desc);
char *get_passwd(const char *pass, const char *desc);
pass_string = get_passwd(pass, desc);
msg = get_passwd(tgt,val0,&parm,RIP_AUTH_PW,1);
msg = get_passwd(tgt,val0,&parm,RIP_AUTH_MD5,safe);