View difference between Paste ID: QbJz550x and CY3ZCPW2

 #include <sys/param.h>
 #include <sys/sysctl.h>
 #if defined(__DragonFly__) || defined(__FreeBSD__)
 #include <sys/user.h>
 #endif
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 
 int main(int argc, char *argv[])
 {
 #if defined(__NetBSD__)
   int mib[6] = { CTL_KERN, KERN_PROC2, KERN_PROC_PID, getpid(), sizeof(struct kinfo_proc2), 1 };
 #elif defined(__OpenBSD__)
   int mib[6] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, getpid(), sizeof(struct kinfo_proc), 1 };
 #else
   int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, getpid() };
 #endif
   size_t buffer_size;
 
 #if defined(__NetBSD__) || defined(__OpenBSD__)
   if (sysctl(mib, 6, NULL, &buffer_size, NULL, 0))
 #else
   if (sysctl(mib, 4, NULL, &buffer_size, NULL, 0))
 #endif
     return 0;
 
 #if defined(__NetBSD__)
   struct kinfo_proc2 *proc = (struct kinfo_proc2 *) malloc(buffer_size);
 #else
   struct kinfo_proc *proc = (struct kinfo_proc *) malloc(buffer_size);
 #endif
 
 #if defined(__NetBSD__) || defined(__OpenBSD__)
   if (sysctl(mib, 6, proc, &buffer_size, NULL, 0)) {
 #else
   if (sysctl(mib, 4, proc, &buffer_size, NULL, 0)) {
 #endif
     free(proc);
     return 0;
   }
 
 #if defined(__APPLE__)
   printf("%lds %ldus\n", proc->kp_proc.p_un.__p_starttime.tv_sec, proc->kp_proc.p_un.__p_starttime.tv_usec);
 #elif defined(__DragonFly__)
   printf("%lds %ldus\n", proc->kp_start.tv_sec, proc->kp_start.tv_usec);
 #elif defined(__FreeBSD__)
   printf("%lds %ldus\n", proc->ki_start.tv_sec, proc->ki_start.tv_usec);
 #else
   printf("%lds %ldus\n", proc->p_ustart_sec, proc->p_ustart_usec);
 #endif
 
   return 0;
 }