#include<stdio.h> int main() { char num = '\011'; printf("%d",num); return 0; }
https://gateoverflow.in/218063/Doubt-about-string
As explained in the above link provided by @Shaik Masthan sir, ‘\011’ will be treated as octal number its decimal equivalent is 9. Hence 9 will be printed.
Answer will be 9. for more detail, you can refer below link.
numbers in c - GeeksforGeeks