C Programming - Strings - Discussion

Discussion Forum : Strings - Find Output of Program (Q.No. 19)
19.
What will be the output of the program ?
#include<stdio.h>

int main()
{
    char str1[] = "Hello";
    char str2[10];
    char *t, *s;
    s = str1;
    t = str2;
    while(*t=*s)
        *t++ = *s++;
    printf("%s\n", str2);
    return 0;
}
Hello
HelloHello
No output
ello
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
22 comments Page 3 of 3.

Wikiok said:   1 decade ago
If s[n] == '\0' then ( *t=*s ) == zero, so it is false, so the loop will exit.

Nikhil said:   1 decade ago
In the loop, it is always a true condition hence it will never come out of the loop so no output


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