What will be the output of the following C code?
const char str1[10]="Helloworld";
const char str2[10] = "world";
char *mat;
mat = strstr(str1, str2);
printf("The substring is:%s\n", mat);
Answer: A
The C library function char *strstr(const char *str1, const char *str2) is used to find the first occurrence of the substring str2 in the string str1.The terminating ‘\0’ characters are not compared.