Point out the error in the following program. #include #include int m – McqOptions

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1.	Point out the error in the following program. #include #include int main() { void display(int num, ...); display(4, 12.5, 13.5, 14.5, 44.3); return 0; } void display(int num, ...) { float c; int j; va_list ptr; va_start(ptr, num); for(j=1; j<=num; j++) { c = va_arg(ptr, float); printf("%f", c); } }
A.	Error: invalid va_list declaration
B.	Error: var c data type mismatch
C.	No error
D.	No error and Nothing will print
Answer» C. No error

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Point out the error in the following program._x000D_ #include<stdio.h>_x000D_ #include<stdarg.h>_x000D_ _x000D_ int main()_x000D_ {_x000D_ void display(int num, ...);_x000D_ display(4, 12.5, 13.5, 14.5, 44.3);_x000D_ return 0;_x000D_ }_x000D_ void display(int num, ...)_x000D_ {_x000D_ float c; int j;_x000D_ va_list ptr;_x000D_ va_start(ptr, num);_x000D_ for(j=1; j<=num; j++)_x000D_ {_x000D_ c = va_arg(ptr, float);_x000D_ printf("%f", c);_x000D_ }_x000D_ }
Which header file should you include, if you are going to develop a function, which can accept variable number of arguments?
The macro va_arg is used to extract an argument from the fixed micro argument list and advance the pointer to the next argument.