Question

How to use memcpy() function to copies n characters from memory area s1[] to memory area s2[] in C

Answer 1

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

int main(void)
{
	char src[64] = "Windows, Android and iOS";
	char dest[64];

	memcpy(dest, src, strlen(src) + 1);
	puts(dest);
	
	return 0;
}

 
/*
   
run:
   
Windows, Android and iOS

*/

 

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Answer 2

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

int main(void)
{
	char src[64] = "Windows, Android and iOS";
	char dest[64];

	memcpy(dest, src, 7);
	puts(dest);
	
	return 0;
}

 
/*
   
run:
   
Windows

*/

 

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