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how can i find whether the particular port is free among certain port numbers
like 15000 to 30000 before i connect to the server by assigning the port no for the client

can any one help me
why do i get the error like
gets function is dangerous and should not be used

while compile a file by gcc filename.c in ret hat linux

consider if the thread routine returns any void pointer while calling pthread_join,
the thread resources are freed and the thread will be terminated when the main thread is exit ,that is my...

what is the difference to use socketpair and socket while socket programming

other than socket create a single socket,socketpair creates a pair of sockets

#include <stdio.h>
#include <string.h>
#include <sys/types.h>

#define MAX_COUNT 200
#define BUF_SIZE 100

void main(void)
{
pid_t pid;
int i;
char ...

#include <stdio.h>
#include <string.h>
#include <sys/types.h>

#define MAX_COUNT 200
#define BUF_SIZE 100

void main(void)
{
pid_t pid;
int i;
char ...

i can't understand the following lines about fork()

Due to the fact that the CPU scheduler will assign a time quantum to each process, the parent or the child process will run for some time before...

can i know what is the differnece between using librery function and system calls for performing any of the operation like read, write and other operations

thank you very much for your reply.
Now I could clearly understand the concept about fork,the example you have given is an added advantage to understand the concept very clearly
...

how do differentiate a parent process and child process through the process id while it is executing through fork() command.

can i get the process id of both processes and can i do any operation...