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#include <stdio.h>
#include <unistd.h>
#include <time.h>
#define NUM 1234567890
#define BUFSIZE 25
int main(void)
{
int pid = fork();
char buffer[BUFSIZE + 1];
time_t time_taken;
if (pid == 0) { //slightly slower result
for (int i = 0; i < NUM; ++i) {
printf("Child: %d\n", i);
}
time_taken = time(&time_taken);
} else { //slightly faster result
for (int i = 0; i < NUM; ++i) {
snprintf(buffer, BUFSIZE, "Parent: %d\n", i);
write(1, buffer, BUFSIZE);
}
time_taken = time(&time_taken);
}
fprintf(stderr, "time taken: %zu", time_taken);
return 0;
}
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