94.
What is the output of this program?
#include<stdio.h>
#include<stdlib.h>
 
int main()
{
    int *ptr;
    ptr = (int *)malloc(sizeof(int));
    printf("%d\n",*ptr);
    return 0;
}

96.
When a program is linked with a shared library

99.
What is the output of this program?
#include<stdio.h>
#include<pthread.h>
 
sem_t st;
void *fun_t(void *arg);
void *fun_t(void *arg)
{
    pthread_exit("Bye");
}
int main()
{
    pthread_t pt;
    void *res_t;
    if(pthread_create(&pt,NULL,fun_t,NULL) == -1)
        perror("pthread_create");
    if(sem_init(&st,1,2) != 0)
        perror("sem_init");
    if(pthread_join(pt,&res_t) == -1)
        perror("pthread_join");
    if(sem_destroy(&st) != 0)
        perror("sem_destroy");
    return 0;
}

100.
This program will allocate the memory of . . . . . . . . bytes for pointer "ptr".
#include<stdio.h>
#include<stdlib.h>
 
int main()
{
    int *ptr;
    ptr = realloc(0,sizeof(int)*10);
    return 0;
}

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