Compilare: user.c: In function ‘AflaDrumuri’: user.c:20:3: warning: ‘return’ with a value, in function returning void [enabled by default] return mat[x][y]; ^ user.c:38:2: warning: ‘return’ with a value, in function returning void [enabled by default] return mat[x][y].drum_max = rez; ^ user.c: In function ‘RefaDrum’: user.c:47:4: warning: array subscript has type ‘char’ [-Wchar-subscripts] x += kModX[dir]; ^ user.c:48:4: warning: array subscript has type ‘char’ [-Wchar-subscripts] y += kModY[dir]; ^ user.c: In function ‘main’: user.c:61:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.c:65:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &mat[i][j].inaltime); ^