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Question


Point out the error if any in the following program (Turbo C).


#include<stdio.h>
#include<stdarg.h>
void display(int num, ...);
int main()
{
display(4, 'A', 'a', 'b', 'c');
return 0;
}
void display(int num, ...)
{
char c; int j;
va_list ptr;
va_start(ptr, num);
for(j=1; j
Options:
A .  Error: unknown variable ptr
B .  Error: Lvalue required for parameter
C .  No error and print A a b c
D .  No error and print 4 A a b c
Answer: Option C



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