Which of the following function sets first n characters of a string to a given c

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Which of the following function sets first n characters of a string to a given character?



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1) What will be the output of the program ?

  #include<stdio.h>
int main()
{
printf("Study 2 Online", " C Language MCQ\n");
return 0;
}

2) If the two strings are identical, then strcmp() function returns

3) What is the output of this C code?

#include <stdio.h>
int main()
{
char *str = "hello, world\n";
printf("%d", strlen(str));
}

4) What will be the output of the following program?

void main()
{
char str1[] = "abcd";
char str2[] = "abcd";
if(str1==str2)
printf("Equal");
else
printf("Unequal");
}

5) The library function used to find the last occurrence of a character in a string is

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