memcpy

---

defined in string.h

void *memcpy( void * destPointer, const void * srcPointer, size_t n);

memcpy(), copies n bytes of memory from source pointer to destination pointer.

Parameters

destPointer : the destination pointer where the memory needs to be copied.

srcPointer : the source pointer of the memory.

n : number of bytes to be copied.

Returns

The memcpy() function returns a pointer to destPointer variable.

#include <stdio.h>
#include <string.h>

int main ( int argc, char* argv[]) 
{
	char source_str[] = "Test Messages";
	char dest_str[100];
	memset( dest_str, 0, sizeof(dest_str));
	
	memcpy( dest_str, source_str, sizeof(source_str));
	
	printf("%s\n", dest_str);
	
	return EXIT_SUCCESS;
}

Program Output