#include <stdio.h>
void cat_data(int *data1, const int *data2, int len2, int x){
for(int i=0; i<len2; i++){
data1[x+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]);
int x=2;
cat_data(data1,data2,len2,x);
for(int i=0; i<x+len2; i++){
printf("data1[%d]=%d\n",i
,data1
[i
]); }
return 0;
}
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