unsigned long int addr = strtoul(addrs[i].c_str(), &p, 16);
if (*p != '\0') {
XBT_CRITICAL("Cannot parse backtrace address '%s' (addr=%#lx)", addrs[i].c_str(), addr);
unsigned long int addr = strtoul(addrs[i].c_str(), &p, 16);
if (*p != '\0') {
XBT_CRITICAL("Cannot parse backtrace address '%s' (addr=%#lx)", addrs[i].c_str(), addr);