This post contains 101-110 questions of c program. It will helpful to solve c aptitude questions, c quiz , c objective type questions etc in interview.

101-110 Questions

Q1:

main()
{
    char *p;
    printf("%d %d ",sizeof(*p),sizeof(p));
}
Answer:
1 2

Q2:

main()
{
    char string[]="Hello World";
    display(string);
}
void display(char *string)
{
    printf("%s",string);
}
Answer:
Compiler Error : Type mismatch in redeclaration of function display

Q3:

#include<stdio.h>
main()
{
    char s[]={'a','b','c','\n','c','\0'};
    char *p,*str,*str1;
    p=&s[3];
    str=p;
    str1=s;
    printf("%d",++*p + ++*str1-32);
}
Answer:
77

Q4:

#include<stdio.h>
main()
{
    int a[2][2][2] = { {10,2,3,4}, {5,6,7,8} };
    int *p,*q;
    p=&a[2][2][2];
    *q=***a;
    printf("%d----%d",*p,*q);
}
Answer:
SomeGarbageValue---1

Q5:

puts(argv[0])prints 
a) the name of the source code file 
b) the number of command line arguments 
c) argv 
d)the name of the executable code file
Answer:  

Q6:

The addressoperator & , cannot act on 
a) R-values 
b) arithmetic expressions 
c) members of a structure 
d) local variables
Answer:

Q7:

The argument used to print the number of command line arguments is 
a) printf("%d",argv); 
b) printf("%d",argv[0]); 
c) printf("%d",argc); 
d) none
Answer:

Q8:

In command line arguments 
main() function takes ____ number of arguments 
a) 1 
b) 2 
c) 3 
d) 4
Answer:

Q9:

#include<stdio.h>
main()
{
    struct xx
    {
        int x=3;
        char name[]="hello";
    };
    struct xx *s;
    printf("%d",s->x);
    printf("%s",s->name);
}
Answer:
Compiler Error

Q10:

#include<stdio.h>
main()
{
    struct xx
    {
        int x;
        struct yy
        {
            char s;
            struct xx *p;
        };
        struct yy *q;
    };
}
Answer:
Compiler Error

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