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bcmp (3)
  • bcmp (3) ( FreeBSD man: Библиотечные вызовы )
  • bcmp (3) ( Русские man: Библиотечные вызовы )
  • bcmp (3) ( Linux man: Библиотечные вызовы )
  • >> bcmp (3) ( POSIX man: Библиотечные вызовы )
  • bcmp (9) ( Solaris man: Ядро )
  •  

    NAME

    bcmp - memory operations (LEGACY)
     
    

    SYNOPSIS

    #include <strings.h>

    int bcmp(const void *s1, const void *s2, size_t n);
     

    DESCRIPTION

    The bcmp() function shall compare the first n bytes of the area pointed to by s1 with the area pointed to by s2.  

    RETURN VALUE

    The bcmp() function shall return 0 if s1 and s2 are identical; otherwise, it shall return non-zero. Both areas are assumed to be n bytes long. If the value of n is 0, bcmp() shall return 0.  

    ERRORS

    No errors are defined.

    The following sections are informative.  

    EXAMPLES

    None.  

    APPLICATION USAGE

    The memcmp() function is preferred over this function.

    For maximum portability, it is recommended to replace the function call to bcmp() as follows:

    
    #define bcmp(b1,b2,len) memcmp((b1), (b2), (size_t)(len))
    
    
     

    RATIONALE

    None.  

    FUTURE DIRECTIONS

    This function may be withdrawn in a future version.  

    SEE ALSO

    memcmp() , the Base Definitions volume of IEEE Std 1003.1-2001, <strings.h>  

    COPYRIGHT

    Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    EXAMPLES
    APPLICATION USAGE
    RATIONALE
    FUTURE DIRECTIONS
    SEE ALSO
    COPYRIGHT


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