MEMSET - set memory to specific value.
(ANSI Standard) 
Usage:
#include <string.h>
ret = memset( p, value, N );
Where:
    - void *p; 
- points to the beginning of the memory that should be set
        to the given value. 
- int value; 
- is the value that is to be assigned to each byte. 
- size_t N; 
- is the number of bytes whose value is to be set. 
- void *ret; 
- points to the beginning of the initialized memory. 
Description:
"memset" sets N bytes to the given value, beginning
at the byte pointed to by "p".
Copyright © 1996, Thinkage Ltd.