Compilare: user.c: In function ‘computeRhombus’: user.c:81:10: warning: unused variable ‘tempBuffer’ [-Wunused-variable] char tempBuffer[256][256]; ^ user.c:80:15: warning: unused variable ‘k’ [-Wunused-variable] int i, j, k; ^ user.c:80:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, k; ^ user.c:80:9: warning: unused variable ‘i’ [-Wunused-variable] int i, j, k; ^ user.c: In function ‘addNode’: user.c:105:9: warning: implicit declaration of function ‘malloc’ [-Wimplicit-function-declaration] node = malloc(sizeof(nod)); ^ user.c:105:16: warning: incompatible implicit declaration of built-in function ‘malloc’ [enabled by default] node = malloc(sizeof(nod)); ^ user.c:117:20: warning: incompatible implicit declaration of built-in function ‘malloc’ [enabled by default] node = malloc(sizeof(nod)); ^ user.c: In function ‘removeNodes’: user.c:138:9: warning: implicit declaration of function ‘free’ [-Wimplicit-function-declaration] free(ultNod); ^ user.c:138:9: warning: incompatible implicit declaration of built-in function ‘free’ [enabled by default] user.c: In function ‘main’: user.c:331:5: warning: passing argument 1 of ‘computeSquares’ from incompatible pointer type [enabled by default] computeSquares(buffer, n, &squareSize, &squareCount, &rhombusSize, &rhombusCount); ^ user.c:176:6: note: expected ‘const char (*)[256]’ but argument is of type ‘char (*)[256]’ void computeSquares(const char buffer[][256], const int n, int *squareSize, int *squareCount, int *rhombusSize, int *rhombusCount) ^ user.c:318:15: warning: unused variable ‘j’ [-Wunused-variable] int n, i, j; ^ user.c:318:12: warning: unused variable ‘i’ [-Wunused-variable] int n, i, j; ^