C语言用指针求字符串长度

#include<stdio.h>//指针求字符串长度int main(){char ch[] = "bit";int count = 0;/*int sz = sizeof(ch) / sizeof(ch[0]);printf("%d", sz-1);*/char* p = ch;while (1){if (*(p) != '\0'){count++;p++;}elsebreak;}printf("字符串长度为:%d", count);return 0;}