Stuff

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <netdb.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <sys/socket.h>
#ifndef MAXDATASIZE
#define MAXDATASIZE          300
#endif

/********************************************************
**Distributed under the terms of the GNU GPL v2 License**
**www.gnu.org                                          **
**www.fsf.org                                          **
**(C) Arrav                                            **
********************************************************/



/*int cretcp(int flags){
int fd;
if ((fd = socket(PF_INET, SOCK_STREAM, flags)) == -1)
{
perror("socket");
exit(1);
}
return fd;
}*/



int cretcp(){
int fd;
if ((fd = socket(PF_INET, SOCK_STREAM,0)) == -1)
{
perror("socket");
exit(1);
}
return fd;
}




/*int creudp(int flags){
int fd;
if ((fd = socket(PF_INET, SOCK_DGRAM, flags)) == -1)
{
perror("socket");
exit(1);
}
return fd;
}*/


int creudp(){
int fd;
if ((fd = socket(PF_INET, SOCK_DGRAM, 0)) == -1)
{
perror("socket");
exit(1);
}
return fd;
}


int con(int sockfd,struct sockaddr_in address){
if (connect(sockfd, (struct sockaddr *)&address, sizeof(struct sockaddr)) == -1 ){

perror("connect");
exit(1);
}
return 0;
}



char* hostname(char* name){
struct hostent *he;
if ((he=gethostbyname(name)) == NULL) {
herror("gethostbyname");
exit(1);
}

return he->h_addr;

}


struct sockaddr_in sockinfo(int port, int addr){

struct sockaddr_in conaddr;
conaddr.sin_family = AF_INET;
conaddr.sin_port = htons(port);
conaddr.sin_addr = *((struct in_addr *)addr);
memset(conaddr.sin_zero, '\0', sizeof conaddr.sin_zero);

return conaddr;
}

int rcv(int sockfd, char* buf){

int numbytes;

if ((numbytes=recv(sockfd, buf, MAXDATASIZE-1, 0)) == -1) {
perror("recv");
exit(1);
}
return numbytes;
}

int snd(int sockfd, char* buf)
{
int numbytes;

if((numbytes=send(sockfd, buf, MAXDATASIZE-1, 0)) == -1)
{
perror("send");
exit(1);
}
return numbytes;
}

int bnd()
if (bind(sockfd, (struct sockaddr *)&my_addr, sizeof(struct sockaddr))
                                                                   == -1) {
        perror("bind");
        exit(1);
    }