linux string类型

#include <stdio.h>
#include <string.h>

int main() {
    char src[] = "Hello, World!";
    char dest[10];
    strncpy(dest, src, sizeof(dest) - 1);
    dest[sizeof(dest) - 1] = '\0'; // 确保字符串以空字符结尾
    printf("Destination: %s\n", dest);
    return 0;
}

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main() {
    char *str = (char *)malloc(100 * sizeof(char));
    if (str == NULL) {
        perror("Failed to allocate memory");
        return 1;
    }
    strcpy(str, "Hello, World!");
    printf("String: %s\n", str);
    free(str); // 释放内存
    return 0;
}

#include <stdio.h>
#include <string.h>

int main() {
    char *str1 = "Hello";
    char *str2 = "Hello";
    if (strcmp(str1, str2) == 0) {
        printf("Strings are equal\n");
    } else {
        printf("Strings are not equal\n");
    }
    return 0;
}