What will be the output of the following C code?#include <stdio.h>#include <stdarg.h> int fun(...); int main() { char ch = 99; fun(ch); return 0; } int fun(...) { va_list list; char ch = va_arg(list, char); printf("%c n", ch); }

• A. c
• B. 99
• C. Undefined behaviour
• D. Compilation Error
• E. None of these