#include <stdio.h>
void main()
{
int r;
float pi=3.14;
r=7;
printf("Perimeter=%f",2*pi*r);
}
/* tcpClient.c */ #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <netdb.h> #include <stdio.h> #include <unistd.h> #include <string.h> #include <strings.h> #define MAX_MSG 100 #define SERVER_ADDR "127.0.0.1" #define CLIENT_ADDR "127.0.0.1" #define SERVER_PORT 3786 #define CLIENT_PORT 8229 main () { int sd, rc, i,n; struct sockaddr_in clientAddr, servAddr; char line[MAX_MSG]; /**********************************/ /* build server address structure */ /**********************************/ bzero((char *)&servAddr, sizeof(servAddr)); servAddr.sin_family = AF_INET; servAddr.sin_addr.s_addr = inet_addr(SERVER_ADDR); servAddr.sin_port = htons(SERVER_PORT); /* bzero((char *)&servAddr, sizeof(servAddr)); servAddr.sin_family = AF_INET; inet_aton(SERVER_ADDR, &servAddr.sin_addr); servAddr.sin_port = htons(SERVER_PORT); */ /*****
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