1.\" Copyright (c) 1990, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" Chris Torek. 6.\" 7.\" %sccs.include.redist.roff% 8.\" 9.\" @(#)bzero.3 8.1 (Berkeley) 06/04/93 10.\" 11.Dd 12.Dt BZERO 3 13.Os BSD 4.3 14.Sh NAME 15.Nm bzero 16.Nd write zeroes to a byte string 17.Sh SYNOPSIS 18.Fd #include <string.h> 19.Ft void 20.Fn bzero "void *b" "size_t len" 21.Sh DESCRIPTION 22The 23.Fn bzero 24function 25writes 26.Fa len 27zero bytes to the string 28.Fa b . 29If 30.Fa len 31is zero, 32.Fn bzero 33does nothing. 34.Sh SEE ALSO 35.Xr memset 3 , 36.Xr swab 3 37.Sh HISTORY 38A 39.Fn bzero 40function 41appeared in 42.Bx 4.3 . 43