1 /* 2 * What is the difference between NULL and '\0'? 3 * The difference is that NULL is defined as '\0' casted to void*, 4 * they both are evaluated to the constant value 0, 5 * but they are used in different contexts, in general NULL 6 * is used to check for pointers, and '\0' for the ends of a string. 7 */ 8 9 #include <stdio.h> 10 11 int main (void) 12 { 13 printf("'\\0' = %d", '\0'); 14 printf("'NULL' = %d", NULL); 15 16 return 0; 17 }
