rem: if ((mssvaluenum = string_to_number(mssvalue, 0, 65535)) != -1)
add: if (string_to_number(mssvalue, 0, 65535, &mssvaluenum) != -1)
context: parse_tcp_mssvalue(const char *mssvalue){	int mssvaluenum;	if ((mssvaluenum = string_to_number(mssvalue, 0, 65535)) != -1)		return (u_int16_t)mssvaluenum;	exit_error(PARAMETER_PROBLEM,		   "Invalid mss `%s' specified", mssvalue);}