#include<stdio.h> #include<string.h> #define TEST "i am jack" intmain(void) { char name[20]; printf("type your name:\n"); scanf("%s",name); printf("name is :%s\n", name); printf("sizeof name is : %ld\n", sizeof name); printf("strlen name is : %ld\n", strlen(name)); printf("\n"); printf("sizeof TEST is : %ld\n", sizeof TEST); printf("strlen TEST is : %ld\n", strlen(TEST)); return0; }