Keywords in C programming language

keywords.c

#include <stdio.h>

void main() { //void is a keyword, see the list below

    /*
        Keywords:
        The following list shows the reserved words in C or any other programming language(mostly).
        These reserved words may not be used as constants or
        variables or any other identifier names.

        auto	else	long	switch
        break	enum	register	typedef
        case	extern	return	union
        char	float	short	unsigned
        const	for	signed	void
        continue	goto	sizeof	volatile
        default	if	static	while
        do	int	struct	_Packed double
    */

    //int int = 40;
    int int_1 = 40; //int is a keyword, see the above list

    //printf( "%d", int );
    printf( "%d", int_1 );

}