C Programming - Control Instructions - Discussion

Discussion Forum : Control Instructions - Point Out Correct Statements (Q.No. 9)

Control Instructions

Point out the correct statements are correct about the program below?

#include<stdio.h>
int main()
{
    char ch;
    while(x=0;x<=255;x++)
        printf("ASCII value of %d character %c\n", x, x);
    return 0;
}

The code generates an infinite loop

The code prints all ASCII values and its characters

Error: x undeclared identifier

Error: while statement missing

Answer: Option

Explanation:

There are 2 errors in this program.
1. "Undefined symbol x" error. Here x is not defined in the program.
2. Here while() statement syntax error.

Discussion:

12 comments Page 2 of 2.

Vinoth said: 1 decade ago

Khan you understand in while loop only condition is checked.

Eg:while(x>5).

Abid khan said: 1 decade ago

While statement work properly.

But x is not declared so while statement missing.

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