Memory Manipulation Functions

	void  *memccpy( void *dest, const void *src, int c, size_t n )
	void  *memchr( const void *s, int c, size_t n )
	int   memcmp( const void *s1, const void *s2, size_t n )
	void  *memcpy( void *dest, const void *src, size_t n )
	int   memicmp( const void *s1, const void *s2, size_t n )
	void  *memmove( void *dest, const void *src, size_t n )
	void  *memset( void *s, int c, size_t n )
	void  movedata( unsigned srcseg, unsigned srcoff,
			unsigned dstseg, unsigned dstoff, size_t n )

	- prototypes for the preceding functions are in mem.h, string.h
	- the following are prototyped in mem.h only (TC):

	void  movmem( void *src, void *dest, unsigned length ); (mem.h only)
	void  setmem( void *dest, unsigned length, char value ); (mem.h only)