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    Command Linux
    Home - man page - BZERO

    BZERO

    WillieBy WillieFebruary 5, 2026Updated:February 5, 2026No Comments1 Min Read

    NAME

    bzero – write zero-valued bytes  

    SYNOPSIS

    #include <strings.h>
    
    void bzero(void *s, size_t n);
    
     

    DESCRIPTION

    The bzero() function sets the first n bytes of the area starting at s to zero (bytes containing ‘\0’).  

    RETURN VALUE

    None.  

    ATTRIBUTES

     

    Multithreading (see pthreads(7))

    The bzero() function is thread-safe.  

    CONFORMING TO

    4.3BSD. This function is deprecated (marked as LEGACY in POSIX.1-2001): use memset(3) in new programs. POSIX.1-2008 removes the specification of bzero().

    COLOPHON

    This page is part of release 3.74 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at http://www.kernel.org/doc/man-pages/.

    Willie
    • Website

    Willie has over 15 years of experience in Linux system administration and DevOps. After managing infrastructure for startups and enterprises alike, he founded Command Linux to share the practical knowledge he wished he had when starting out. He oversees content strategy and contributes guides on server management, automation, and security.

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