5.11 mempcpy—copy memory regions and return end pointer

Synopsis

     #include <string.h>
     void* mempcpy(void *out, const void *in, size_t n);
     

Description
This function copies n bytes from the memory region pointed to by in to the memory region pointed to by out.

If the regions overlap, the behavior is undefined.

Returns
mempcpy returns a pointer to the byte following the last byte copied to the out region.

Portability
mempcpy is a GNU extension.

mempcpy requires no supporting OS subroutines.