What is the only function all C programs must contain?

char* buf[100]; strcpy(buf, argv[1]); Which security risk is this code vulnerable to?

Which one is NOT a reserved keyword?

A C variable can start with a digit as well a letter.

Function Overloading is not supported in C.

How can you make an infinite loop in C?

When a structure is passed ________ to a function, its members are not copied.

If a condition in a post-test loop can never be met, the loop is an _________ loop.

An array name and index are separated using ____.

The dynamic memory allocation functions are defined in which system header file ?

Void pointer vptr is assigned the address of float variable g. What is a valid way to dereference vptr to assign its pointed value to a float variable named f later in the program? float g; void *vptr=&g;