c memcmp example

Example: memcmp c

int memcmp(const void *str1, const void *str2, size_t n)

/*
The C library function memcmp compares the first n bytes
of memory area str1 and memory area str2.
*/

# Parameters
	# str1 − This is the pointer to a block of memory.
	# str2 − This is the pointer to a block of memory.
	# n − This is the number of bytes to be compared.

# Return Value
	# if Return value < 0 then it indicates str1 is less than str2.
	# if Return value > 0 then it indicates str2 is less than str1.
	# if Return value = 0 then it indicates str1 is equal to str2.