Compilare: user.c: In function ‘insereaza’: user.c:22: warning: implicit declaration of function ‘malloc’ user.c:22: warning: incompatible implicit declaration of built-in function ‘malloc’ user.c: In function ‘elimina’: user.c:52: warning: implicit declaration of function ‘free’ user.c:52: warning: incompatible implicit declaration of built-in function ‘free’ user.c: In function ‘bfs’: user.c:61: warning: passing argument 1 of ‘insereaza’ from incompatible pointer type user.c:19: note: expected ‘struct Coada *’ but argument is of type ‘struct Coada **’ user.c:63: warning: passing argument 1 of ‘isEmpty’ from incompatible pointer type user.c:15: note: expected ‘struct Coada *’ but argument is of type ‘struct Coada **’ user.c: In function ‘citire’: user.c:87: warning: incompatible implicit declaration of built-in function ‘malloc’ user.c:83: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:86: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c: In function ‘main’: user.c:114: warning: implicit declaration of function ‘system’ user.c: In function ‘elimina’: user.c:53: warning: control reaches end of non-void function user.c: In function ‘bfs’: user.c:16: warning: dereferencing pointer ‘q.16’ does break strict-aliasing rules user.c:16: warning: dereferencing pointer ‘q.16’ does break strict-aliasing rules user.c:63: note: initialized from here cc1: warning: dereferencing pointer ‘q.16’ does break strict-aliasing rules cc1: warning: dereferencing pointer ‘q.16’ does break strict-aliasing rules user.c:61: note: initialized from here