#if !defined(lint) && defined(SCCSIDS)static	char sccsid[] = "@(#)calloc.c 1.1 92/07/30 SMI"; /* from UCB 4.1 80/12/21 */#endif/* * calloc - allocate and clear memory block */#define CHARPERINT (sizeof(int)/sizeof(char))#define NULL 0#ifdef	S5EMUL#define	ptr_t	void*#else#define	ptr_t	char*#endifptr_tcalloc(num, size)	unsigned num, size;{	register ptr_t mp;	ptr_t	malloc();	num *= size;	mp = malloc(num);	if (mp == NULL)		return(NULL);	bzero(mp, num);	return ((ptr_t)(mp));}cfree(p, num, size)	ptr_t p;	unsigned num, size;{	free(p);}