#include <stdio.h>
#include <stdlib.h>
#include <time.h>
void main(void){
/*initialize*/
clock_t start_t = 0, end_t = 0;
while(1){
if(end_t-start_t){
start_t = end_t;
/*inerrupt function*/
secint(); //interrupted every second
}
else{
end_t
= clock() / CLOCKS_PER_SEC
; /*main program*/
}
}
}
void secint(void){
}
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