rem: if ( !msg->maxforwards ) { LOG( L_ERR , "ERROR: decrement_maxfwd :" " MAX_FORWARDS header not found !\n"); goto error; }
context: int decrement_maxfwd( struct sip_msg* msg , int x, str *s){	int i;	/* double check */	if ( !msg->maxforwards ) {		LOG( L_ERR , "ERROR: decrement_maxfwd :"			" MAX_FORWARDS header not found !\n");		goto error;	}	/*rewriting the max-fwd value in the message (buf and orig)*/	x--;	for(i = s->len - 1; i >= 0; i--) {		s->s[i] = (x % 10) + '0';		x /= 10;		if (x==0) {			i = i - 1;			break;		}	}	while(i >= 0) s->s[i--] = ' ';	return 1;error:	return -1;}