1.\" Copyright (c) 1990, 1991 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" Chris Torek. 6.\" %sccs.include.redist.man% 7.\" 8.\" @(#)bzero.3 5.3 (Berkeley) 04/19/91 9.\" 10.Dd 11.Dt BZERO 3 12.Os BDS 4.3 13.Sh NAME 14.Nm bzero 15.Nd write zeroes to a byte string 16.Sh SYNOPSIS 17.Fd #include <string.h> 18.Ft void 19.Fn bzero "void *b" "size_t len" 20.Sh DESCRIPTION 21The 22.Fn bzero 23function 24writes 25.Fa len 26zero bytes to the string 27.Fa b . 28If 29.Fa len 30is zero, 31.Fn bzero 32does nothing. 33.Sh SEE ALSO 34.Xr memset 3 , 35.Xr swab 3 36.Sh HISTORY 37A 38.Fn bzero 39function 40appeared in 41.Bx 4.3 . 42