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Question


Point out the error in the following program.


#include<stdio.h>
#include<stdarg.h>
void varfun(int n, ...);
int main()
{
varfun(3, 7, -11.2, 0.66);
return 0;
}
void varfun(int n, ...)
{
float *ptr;
int num;
va_start(ptr, n);
num = va_arg(ptr, int);
printf("%d", num);
}
Options:
A .  Error: too many parameters
B .  Error: invalid access to list member
C .  Error: ptr must be type of va_list
D .  No error
Answer: Option C



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