#include <stdio.h> // Does not handle multi yields. void coroutine_(int i) { int loopLength = 8; // for loop, while loop would not need this and next line. if(i < loopLength) { //First Pass if(i == 0) { printf("Start\n"); } //Body printf("%i\n",i); //Last pass if(i == loopLength-1) { printf("End\n"); } } } void coroutine() { static int i = 0; coroutine_(i++); } int main() { for(int a = 0; a < 20; a++) { coroutine(); } return 0; }