July 7, 2001 MEMSET 9

### NAME

memset - write a byte to byte string

### SYNOPSIS

```void``*` memset(```void *b``, int c``, size_t len`)

### DESCRIPTION

The memset(``) function writes ```len` bytes of value ```c` (converted to an unsigned char) to the string ```b`.

### RETURN VALUES

The memset(``) function returns the original value of ```b`.

### STANDARDS

The memset(``) function conforms to ANSI X3.159-1989 (``ANSI C89'') .