Questions

This is a common error while compiling C program in Linux. This error occurs when you are using pthread_create function to create threads in your programs.

To fix this problem ensure following points:
Include header file pthread.h in your program.
Add –lpthread linker flag with compilation command.
1- Include Header file
#include <stdio.h>
#include <pthread.h>
...
...
2- Compile command
gcc main.c -o main -lpthread

The structural unit of compact bone is Osteons or Haverisan systems.

In computer network nodes are

* the computer that terminates the data

* the computer that originates the data

* the computer that routes the data

Narmada rises near Amarkantak