Question

What is difference between the size of character array and string in C

Answer 1

#include <stdio.h>

int main(int argc, char **argv)
{ 
	char s1[] = "abcd"; 
	char s2[] = {'a', 'b', 'c', 'd'}; 
	
	int size_s1 = sizeof(s1)/sizeof(s1[0]); // 4 + ‘\0’ (null) = 5
	int size_s2 = sizeof(s2)/sizeof(s2[0]); // 4
	
	printf("%d\n", size_s1); 
	printf("%d\n", size_s2); 
	
	return 0; 
}   
 

/*
run:
 
5
4
 
*/

 

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