Question
#include<stdio.h>
#include<stdarg.h>
void display(char *s, ...);
void show(char *t, ...);
int main()
{
display("Hello", 4, 12, 13, 14, 44);
return 0;
}
void display(char *s, ...)
{
show(s, ...);
}
void show(char *t, ...)
{
int a;
va_list ptr;
va_start(ptr, s);
a = va_arg(ptr, int);
printf("%f", a);
}
Point out the error in the following program.
#include<stdio.h>
#include<stdarg.h>
void display(char *s, ...);
void show(char *t, ...);
int main()
{
display("Hello", 4, 12, 13, 14, 44);
return 0;
}
void display(char *s, ...)
{
show(s, ...);
}
void show(char *t, ...)
{
int a;
va_list ptr;
va_start(ptr, s);
a = va_arg(ptr, int);
printf("%f", a);
}
Answer: Option B
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The call to show() is improper. This is not the way to pass variable argument list to a function.
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