int AnalyzeTcp(u_char *data,int size)
{
u_char *ptr;
int lest;
struct tcphdr *tcphdr;
ptr=data;
lest=size;
if(lest<sizeof(struct tcphdr)){
if(fil[3] == 1){
fprintf(stderr,"lest(%d)<sizeof(struct tcphdr)\n",lest);
}
return(-1);
}
tcphdr=(struct tcphdr *)ptr;
ptr+=sizeof(struct tcphdr);
lest-=sizeof(struct tcphdr);
if(fil[3] == 1){
PrintTcp(tcphdr,stdout);
}
return(0);
}
int AnalyzeTcp(u_char *data, int size) {
u_char *ptr = NULL;
int lest = 0;
struct tcphdr *tcphdr = NULL;
ptr = data;
lest = size;
if (lest < sizeof(struct tcphdr)) {
ExitWithTooLittleLengthError("tcphdr", lest);
}
tcphdr = (struct tcphdr *) ptr;
ptr += sizeof(struct tcphdr); // ?
lest -= sizeof(struct tcphdr); // ?
PrintTcp(tcphdr, stdout);
return 0;
}
