Consider the following code. The function myStrcat concatenates two strings. It appends all characters of b to end of a. So the expected output is “Geeks Quiz”. The program compiles fine but produces segmentation fault when run.#include <stdio.h>void myStrcat(char *a, char *b){int m = strlen(a);int n = strlen(b);int i;for (i = 0; i <= n; i++)a[m+i] = b[i];}int main(){char *str1 = "Geeks ";char *str2 = "Quiz";myStrcat(str1, str2);printf("%s ", str1);return 0;}Which of the following changes can correct the program so that it prints “Geeks Quiz”?(A) char *str1 = “Geeks “; can be changed to char str1[100] = “Geeks “;(B) char *str1 = “Geeks “; can be changed to char str1[100] = “Geeks “; and a line a[m+n-1] = ‘\0’ is added at the end of myStrcat(C) A line a[m+n-1] = ‘\0’ is added at the end of myStrcat(D) A line ‘a = (char *)malloc(sizeof(char)*(strlen(a) + strlen(b) + 1)) is added at the beginning of myStrcat()

Consider the following code. The function myStrcat concatenates two st

1.	Consider the following code. The function myStrcat concatenates two strings. It appends all characters of b to end of a. So the expected output is “Geeks Quiz”. The program compiles fine but produces segmentation fault when run.#include <stdio.h>void myStrcat(char a, char b){int m = strlen(a);int n = strlen(b);int i;for (i = 0; i <= n; i++)a[m+i] = b[i];}int main(){char str1 = "Geeks ";char str2 = "Quiz";myStrcat(str1, str2);printf("%s ", str1);return 0;}Which of the following changes can correct the program so that it prints “Geeks Quiz”?(A) char str1 = “Geeks “; can be changed to char str1[100] = “Geeks “;(B) char str1 = “Geeks “; can be changed to char str1[100] = “Geeks “; and a line a[m+n-1] = ‘\0’ is added at the end of myStrcat(C) A line a[m+n-1] = ‘\0’ is added at the end of myStrcat(D) A line ‘a = (char )malloc(sizeof(char)(strlen(a) + strlen(b) + 1)) is added at the beginning of myStrcat()
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Assume that a character takes 1 byte. Output of following program?#include<stdio.h>int main(){char str[20] = "GeeksQuiz";printf ("%d", sizeof(str));return 0;}(A) 9(B) 10(C) 20(D) Garbage Value
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