memccpy(3p) — Linux manual page

MEMCCPY(3P)             POSIX Programmer's Manual            MEMCCPY(3P)

PROLOG

       This manual page is part of the POSIX Programmer's Manual.  The
       Linux implementation of this interface may differ (consult the
       corresponding Linux manual page for details of Linux behavior),
       or the interface may not be implemented on Linux.

NAME

       memccpy — copy bytes in memory

SYNOPSIS

       #include <string.h>

       void *memccpy(void *restrict s1, const void *restrict s2,
           int c, size_t n);

DESCRIPTION

       The memccpy() function shall copy bytes from memory area s2 into
       s1, stopping after the first occurrence of byte c (converted to
       an unsigned char) is copied, or after n bytes are copied,
       whichever comes first. If copying takes place between objects
       that overlap, the behavior is undefined.

RETURN VALUE

       The memccpy() function shall return a pointer to the byte after
       the copy of c in s1, or a null pointer if c was not found in the
       first n bytes of s2.

ERRORS

       No errors are defined.

       The following sections are informative.

EXAMPLES

       None.

APPLICATION USAGE

       The memccpy() function does not check for the overflow of the
       receiving memory area.

RATIONALE

       None.

FUTURE DIRECTIONS

       None.

SEE ALSO

       The Base Definitions volume of POSIX.1‐2017, string.h(0p)

COPYRIGHT

       Portions of this text are reprinted and reproduced in electronic
       form from IEEE Std 1003.1-2017, Standard for Information
       Technology -- Portable Operating System Interface (POSIX), The
       Open Group Base Specifications Issue 7, 2018 Edition, Copyright
       (C) 2018 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 .

       Any typographical or formatting errors that appear in this page
       are most likely to have been introduced during the conversion of
       the source files to man page format. To report such errors, see
       https://www.kernel.org/doc/man-pages/reporting_bugs.html .

IEEE/The Open Group               2017                       MEMCCPY(3P)

Pages that refer to this page: string.h(0p)

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