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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
int main (int argc, char **argv) {
long maxsleep;
struct timespec ntime;
if (argc < 2) {
fputs("Usage: randsleep <max> <cmd>", stdout);
return 1;
}
maxsleep = atol(argv[1]);
if (clock_gettime(CLOCK_REALTIME, &ntime) == -1)
perror("clock_gettime");
srand(ntime.tv_nsec);
sleep(rand() % maxsleep);
execvp(argv[2], argv + 2);
perror("execvp");
}
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