#include <pthread.h>
#include <stdio.h>
#define NTHREADS 40
 
void *dodump(void *threadid)
{
	char *ptr = 0x1212121;
	printf("DUmp... %s \n", ptr);
}
 
void *dowork(void *threadid)
{
	printf("\nThread %d started \n", (int )threadid);
	while(1);
}
 
int main(int argc, char *argv[])
{
   pthread_t threads[NTHREADS];
   int rc;
   long t;
 
   for(t=0; t<NTHREADS; t++){
	if(t==25)
	      	rc = pthread_create(&threads[t], NULL, dodump, (void *)t);
	else
	      rc = pthread_create(&threads[t], NULL, dowork, (void *)t);
	
      if (rc){
         printf("ERROR; return code from pthread_create() is %d\n", rc);
         exit(-1);
      }
   }
   printf("Created %ld threads.\n", t);
   pthread_exit(NULL);
}