/home/stefan/src/github/tesseract-ocr/tesseract/omptest.cpp

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// omp_parallel.cpp  
// compile with: /openmp   
#include <stdio.h>  
#include <omp.h>  

static int n = 5;
  
int main(int argc) {  
#pragma omp parallel num_threads(argc)
   {
      int i = omp_get_thread_num();
      printf("Hello from thread %d\n", i);
   }
}