Unknown option: "-3" Unix manual page for memset. (host=minya system=Darwin)
MEMSET(3)                BSD Library Functions Manual                MEMSET(3)

NAME
     memset -- fill a byte string with a byte value

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <string.h>

     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 its first argument.

SEE ALSO
     bzero(3), memset_pattern(3), memset_s.3, swab(3), wmemset(3)

STANDARDS
     The memset() function conforms to ISO/IEC 9899:1990 (``ISO C90'').

BSD                              June 4, 1993                              BSD