21. What will be the output of the following C code according to C99 standard?
#include <stdio.h>
struct p
{
int k;
char c;
float f;
};
int main()
{
struct p x = {.c = 97, .k = 1, 3};
printf("%f \n", x.f);
}
#include <stdio.h>
struct p
{
int k;
char c;
float f;
};
int main()
{
struct p x = {.c = 97, .k = 1, 3};
printf("%f \n", x.f);
}22. What will be the output of the following C code?
#include <stdio.h>
struct student
{
int no = 5;
char name[20];
};
void main()
{
struct student s;
s.no = 8;
printf("hello");
}
#include <stdio.h>
struct student
{
int no = 5;
char name[20];
};
void main()
{
struct student s;
s.no = 8;
printf("hello");
}23. What will be the output of the following C code?
#include <stdio.h>
struct student
{
char *name;
};
struct student s;
struct student fun(void)
{
s.name = "newton";
printf("%s\n", s.name);
s.name = "alan";
return s;
}
void main()
{
struct student m = fun();
printf("%s\n", m.name);
m.name = "turing";
printf("%s\n", s.name);
}
#include <stdio.h>
struct student
{
char *name;
};
struct student s;
struct student fun(void)
{
s.name = "newton";
printf("%s\n", s.name);
s.name = "alan";
return s;
}
void main()
{
struct student m = fun();
printf("%s\n", m.name);
m.name = "turing";
printf("%s\n", s.name);
}24. What will be the output of the following C code?
#include <stdio.h>
typedef int integer;
int main()
{
int i = 10, *ptr;
float f = 20;
integer j = i;
ptr = &j;
printf("%d\n", *ptr);
return 0;
}
#include <stdio.h>
typedef int integer;
int main()
{
int i = 10, *ptr;
float f = 20;
integer j = i;
ptr = &j;
printf("%d\n", *ptr);
return 0;
}25. What happens when install(s, t) finds that the name being installed is already present in the table?
26. What will be the output of the following C code?
#include <stdio.h>
struct point
{
int x;
int y;
};
void foo(struct point*);
int main()
{
struct point p1[] = {1, 2, 3, 4};
foo(p1);
}
void foo(struct point p[])
{
printf("%d\n", p[1].x);
}
#include <stdio.h>
struct point
{
int x;
int y;
};
void foo(struct point*);
int main()
{
struct point p1[] = {1, 2, 3, 4};
foo(p1);
}
void foo(struct point p[])
{
printf("%d\n", p[1].x);
}27. What will be the output of the following C code?
#include <stdio.h>
struct student
{
char *c;
};
void main()
{
struct student m;
struct student *s = &m;
(*s).c = "hello";
printf("%s", m.c);
}
#include <stdio.h>
struct student
{
char *c;
};
void main()
{
struct student m;
struct student *s = &m;
(*s).c = "hello";
printf("%s", m.c);
}28. Which member of the union will be active after REF LINE in the following C code?
#include <stdio.h>
union temp
{
int a;
float b;
char c;
};
union temp s = {1,2.5,’A’}; //REF LINE
#include <stdio.h>
union temp
{
int a;
float b;
char c;
};
union temp s = {1,2.5,’A’}; //REF LINE29. Which of the following return-type cannot be used for a function in C?
30. What will be the output of the following C code?
#include <stdio.h>
struct
{
int k;
char c;
} p;
int p = 10;
int main()
{
p.k = 10;
printf("%d %d\n", p.k, p);
}
#include <stdio.h>
struct
{
int k;
char c;
} p;
int p = 10;
int main()
{
p.k = 10;
printf("%d %d\n", p.k, p);
}Read More Section(Structure and Union)
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