#include <stdio.h>
 
void cat_data(int *data1, int *data2, int len2, int len1) {
    int i, j;
 
 
    int count1 = 0;
    for (i = 0; i < len1; i++) {
        if (data1[i] != 0) count1++;
    }
 
    for (j = 0; j < len2 && (count1 + j) < len1; j++) {
        data1[count1 + j] = data2[j];
    }
}
 
int main(void) {
    int data1[7] = {1, 2, 3, 0, 0, 0, 0};  
    int data2[5] = {4, 5, 6, 7, 8};       
    int i;
 
    cat_data(data1, data2, 5, 7);
 
    printf("連結後 data1: ");
    for (i = 0; i < 7; i++) {
        printf("%d ", data1[i]);
    }
    printf("\n");
 
    return 0;
}
 

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