C language-For Loop

 # Include  <  Stdio. h  >  
  Void  Print_triangle (  Int  N,  Int  X,  Int  T)
  //  N is the number of rows for each small triangle, X is the number of consecutive output triangles, and T is the right displacement of the triangle (1 indicates 1 space)  
 {
  Int  I, K, J;
  For  (I  =  0  ; I  <  N; I  ++  )  //  Number of control lines  
  {
  For  (K =  0  ; K  <  T; k  ++  )  //  Control displacement  
  Printf (  "  % C  "  ,  32  );  // The space ASCII code is 32.  
    For  (J  =  X; j  >  0  ; J  --  )  //  Number of controls  
  {
  For  (K =  N  -  1  ; K  >  I; k  --  )
Printf (  "  % C  "  ,  32  );
  For  (K  = 0  ; K  <  I  *  2  +  1  ; K  ++  )
Printf (  "  % C  "  ,  42  );
  For (K  =  N; k  >  I  &&  J  >  1  ; K  --  )
Printf (  "  % C  "  ,  32 );
}
Printf (  "  \ N  "  );
}
}
  Int  Main ()
{
  Int  I, k, n, T;
Printf (  "  Please input N:  "  );
Scanf (  "  % D  " , & N );

  For  (I  =  1  ; I  <=  N; I  ++  )  //  Control the number of large triangle rows  
  {
T  =  N  * (N  -  I );
Print_triangle (n, I, T );
}

  Return     0  ;
} 

Understanding this column should be fine for the for loop.