View Compilation Error

0_0_23392171_26822.cpp: In function 'void InitializeTable(int)':
0_0_23392171_26822.cpp:57:37: error: invalid conversion from 'void*' to 'HashTable {aka HashTbl*}' [-fpermissive]
  H=malloc( sizeof( struct HashTbl ) );  /*Allocate memory for H*/
                                     ^
0_0_23392171_26822.cpp:63:50: error: invalid conversion from 'void*' to 'Cell* {aka HashEntry*}' [-fpermissive]
  H->TheCells=malloc(sizeof( Cell ) * H->TableSize);  /*Allocate memory for H->TheCells*/
                                                  ^
0_0_23392171_26822.cpp: In function 'int main()':
0_0_23392171_26822.cpp:199:21: error: invalid conversion from 'void*' to 'char*' [-fpermissive]
   Poem=malloc(m*n*80);
                     ^