Segmentation fault in Matrix - C -


Partition error occurs while running this code. I could not find anything unusual and changing the mat if I change the mat [3] [3] Please tell what is wrong, thank you 

  contains #lt; Stdio.h & gt; Zero getdata (int ** mat) {int i, j; {For (j = 0; j & lt; 3; j ++) mat [i] [j] = rand ()% 3; for i (i = 0; i & lt; 3; i ++); }} Zero putdown (mat ** mat) {int i, j; For (i = 0; i    
 
 
 inside  main ,  mat1  And  mat2  will decay an indicator in  int [3] , which is not the same as  int ** . Therefore,  getdata ()  and  putdata ()  will actually treat the value as a different type, which can be undefined behavior. 
 
  int mat1 [3] [3]; Int (* decayed_mat1) [3] = matte 1; Emphasis (decayed_mat1 == and matte 1 [0]);  
 
 In ACC, the "reference" is passed. In fact it means that the function parameter is declared as an array type, in fact it is on the decay type. 
 
  zero getdata (int mat [3] [3]); Zero (* funcptr) (int (*) [3]) = getdata;  
 
 Changing your function parameter types to  int [3] [3]  returns the parameter to the type that matches the incoming mails.
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