Which of the following function is more appropriate for reading in a multi-word

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Which of the following function is more appropriate for reading in a multi-word string?



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

3) What is the output of this C code?

#include <stdio.h>
int main()
{
char *str = "hello, world";
char *str1 = "hello, world";
if (strcmp(str, str1))
printf("equal");
else
printf("unequal");
}

4) What will be the output of the program ?

 #include<stdio.h>
int main()
{
int i;
char a[] = "\0";
if(printf("%s", a))
printf("empty string\n");
else
printf("not empty string \n");
return 0;
}

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

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