Mac Developer Library Developer
Search

 

This manual page is part of Xcode Tools version 5.0

To obtain these tools:

If you are running a version of Xcode Tools other than 5.0, view the documentation locally:

  • In Xcode

  • In Terminal, using the man(1) command

Reading manual pages

Manual pages are intended as a quick reference for people who already understand a technology.

  • To learn how the manual is organized or to learn about command syntax, read the manual page for manpages(5).

  • For more information about this technology, look for other documentation in the Apple Developer Library.

  • For general information about writing shell scripts, read Shell Scripting Primer.




MEMCPY(3)                BSD Library Functions Manual                MEMCPY(3)

NAME
     memcpy -- copy memory area

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <string.h>

     void *
     memcpy(void *restrict dst, const void *restrict src, size_t n);

DESCRIPTION
     The memcpy() function copies n bytes from memory area src to memory area dst.  If dst and src overlap,
     behavior is undefined.  Applications in which dst and src might overlap should use memmove(3) instead.

RETURN VALUES
     The memcpy() function returns the original value of dst.

SEE ALSO
     bcopy(3), memccpy(3), memmove(3), strcpy(3), wmemcpy(3)

STANDARDS
     The memcpy() function conforms to ISO/IEC 9899:1990 (``ISO C90'').

BSD                              June 4, 1993                              BSD

Reporting Problems

The way to report a problem with this manual page depends on the type of problem:

Content errors
Report errors in the content of this documentation with the feedback links below.
Bug reports
Report bugs in the functionality of the described tool or API through Bug Reporter.
Formatting problems
Report formatting mistakes in the online version of these pages with the feedback links below.

Feedback