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wmempcpy (3)
  • >> wmempcpy (3) ( Linux man: Библиотечные вызовы )
  •  

    NAME

    mempcpy, wmempcpy  - copy memory area
     
    

    SYNOPSIS

    #define _GNU_SOURCE
    
    #include <string.h> void *mempcpy(void *dest, const void *src, size_t n); #define _GNU_SOURCE
    #include <wchar.h> wchar_t *wmempcpy(wchar_t *dest, const wchar_t *src, size_t n);
     

    DESCRIPTION

    The mempcpy() function is nearly identical to the memcpy(3) function. It copies n bytes from the object beginning at src into the object pointed to by dest. But instead of returning the value of dest it returns a pointer to the byte following the last written byte.

    This function is useful in situations where a number of objects shall be copied to consecutive memory positions.

    The wmempcpy() function is identical but takes wchar_t type arguments and copies n wide characters.  

    RETURN VALUE

    dest + n.  

    VERSIONS

    mempcpy() first appeared in glibc in version 2.1.  

    CONFORMING TO

    This function is a GNU extension.  

    EXAMPLE

    void *
    combine(void *o1, size_t s1, void *o2, size_t s2)
    {
        void *result = malloc(s1 + s2);
        if (result != NULL)
            mempcpy(mempcpy(result, o1, s1), o2, s2);
        return result;
    }
    
     

    SEE ALSO

    memccpy(3), memcpy(3), memmove(3), wmemcpy(3), feature_test_macros(7)  

    COLOPHON

    This page is part of release 3.14 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    VERSIONS
    CONFORMING TO
    EXAMPLE
    SEE ALSO
    COLOPHON


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