类中"char text [100]“类型的探测器类型

#include <cstring>

char text[100];
strncpy(text, "This is a test message", sizeof(text) - 1);
text[sizeof(text) - 1] = '\0'; // 确保字符串以空字符结尾

char text[100] = "Hello";
strcat(text, " World");

#include <iostream>
#include <cstring>

int main() {
    char* text = new char[100];
    strcpy(text, "Dynamic allocation example");
    std::cout << text << std::endl;
    delete[] text; // 记得释放内存
    return 0;
}

#include <iostream>
#include <cstring>

int main() {
    char text[100];

    // 安全地复制字符串
    strncpy(text, "This is a safe copy example", sizeof(text) - 1);
    text[sizeof(text) - 1] = '\0'; // 确保字符串以空字符结尾

    std::cout << "Text: " << text << std::endl;

    return 0;
}