Compilare: user.c: In function ‘Adaug’: user.c:16:5: warning: implicit declaration of function ‘malloc’ [-Wimplicit-function-declaration] Coada z = (Coada)malloc(sizeof(struct foo)); ^ user.c:16:22: warning: incompatible implicit declaration of built-in function ‘malloc’ [enabled by default] Coada z = (Coada)malloc(sizeof(struct foo)); ^ user.c: In function ‘Sterg’: user.c:31:5: warning: implicit declaration of function ‘free’ [-Wimplicit-function-declaration] free(z); ^ user.c:31:5: warning: incompatible implicit declaration of built-in function ‘free’ [enabled by default] user.c: In function ‘fin’: user.c:40:24: warning: incompatible implicit declaration of built-in function ‘malloc’ [enabled by default] A[i] = (short*)malloc(sizeof(short)); ^ user.c:48:9: warning: implicit declaration of function ‘realloc’ [-Wimplicit-function-declaration] A[x] = (short*)realloc(A[x],(A[x][0]+1)*sizeof(short)); ^ user.c:48:24: warning: incompatible implicit declaration of built-in function ‘realloc’ [enabled by default] A[x] = (short*)realloc(A[x],(A[x][0]+1)*sizeof(short)); ^