#include <stdio.h>
void cat_data(int *data1, const int *data2, int len2){
for(int i=0; i<len2; i++){
data1[2+i]=data2[i];
}
}
int main(void){
int data1[7]={1,2};
int data2[5] ={3,4,5,6,7};
int len2=sizeof(data2)/sizeof(data2[0]);
cat_data(data1,data2,len2);
for(int i=0; i<2+len2; i++){
printf("data1[%d]=%d\n",i
,data1
[i
]); }
return 0;
}
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