pointers B

#include<stdio.h> int main(){ int a, b, c; char *p = 0; int *q = 0; double *r = 0; a = (int)(p + 1); b = (int)(q + 1); c = (int)(r + 1); printf("%d %d %d",a, b, c); return 0; }

• Runtime error
• 0 0 0
• Compilation error
• 1 4 8

#include<stdio.h> int main() { const int a = 5; const int *ptr; ptr = &a; *ptr = 10; printf("%d\n", a); return 0; }

• Compilation error
• Garbage Value
• Address
• 5

#include<stdio.h> int main() { printf("%d", sizeof(void *)); return 0; }

• 1
• compilation error
• Runtime error
• 4

#include<stdio.h> int main() { int a = 10, b = 6; int *ptr; ptr = &b; printf(" %d ", a **ptr); return 0; }

• Pointer type error
• Run time error
• Compilation error
• 60

#include<stdio.h> int main(){ char array[5] = "Knot", *ptr, i, *ptr1; ptr = &array[1]; ptr1 = ptr + 3; *ptr1 = 101; for(i = 0; i < 4;i++) printf("%c", *ptr++); return 0; }

• not
• Knot
• note
• garbage value

#include<stdio.h> int main(){ int i = 5; void *vptr; vptr = &i; printf("\nValue of iptr = %d ", *vptr); return 0; }

• 5
• garbage address
• garbage value
• Compile time error

#include<stdio.h> int main() { int num = 10; // assume the address location is 2293436 printf("num = %d address = %u ",num, &num); num++; printf("\tnum = %d address = %u",num, &num); return 0; }

• Compilation error
• num = 10 address = 2293436 num = 11 address = 2293438
• num = 10 address = 2293436 num = 11 address = 2293440
• num = 10 address = 2293436 num = 11 address = 2293436

#include<stdio.h> int main(){ char *str1 = "First"; char *str2 = "Second"; switch(*str1){ case "First": printf("USAIN BOLT"); break; case "Second": printf("JUSTIN GATLIN"); break; default: printf("Others"); } return 0; }

• USAIN BOLT
• JUSTIN GATLIN
• Compilation Error
• Others

#include<stdio.h> int main(){ char *str = "ABCD"; switch(*str + 2){ case 'A': printf("Apple"); break; case 'B': printf("BOOK"); break; case 'C': printf("CLOUD"); break; case 'D': printf("DELL"); break; } return 0; }

• CLOUD
• BOOK
• APPLE
• Compilation Error

#include<stdio.h> int main(){ char ch = '\0'; switch(ch){ case NULL: printf("Empty \0"); break; case ' ': printf("Empty Empty"); break; case '0': printf("Empty 0"); break; default: printf("Nothing"); } return 0; }

• Empty \0
• Empty Empty
• Empty 0
• None of the above