Which of the following function is used to find the first occurrence of a given

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Which of the following function is used to find the first occurrence of a given string in another string?

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1) 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");
}

2) What will be the output of the program ?

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

3) 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");
}

4) Which is more appropriate for reading in multi-word string?

5) What is the output of this C code?

#include <stdio.h>
int main()
{
char str[11] = "hello";
char *str1 = "world";
strcat(str, str1);
printf("%s %d", str, str[10]);
}

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