Originální popis anglicky:
mempcpy, wmempcpy - copy memory area
Návod, kniha: Linux Programmer's Manual
#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);
The
mempcpy() function is nearly identical to the
memcpy()
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.
dest +
n .
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;
}
This function is a GNU extension.
memccpy(3),
memcpy(3),
memmove(3),
wmemcpy(3)
