strcat.c

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

int main() {
    char destination[16] = "hello ";
    char source[] = "world";

    strcat(destination, source);
    printf(destination);
    // hello world

    printf("\n");

    // 也可以由一個字元指標去接收
    char destination2[16] = "是在";
    char* result;
    result = strcat(destination2, destination);
    printf(result);
    // 是在hello world

    return 0;
}