Compilare: user.c: In function ‘insereaza’: user.c:29: warning: implicit declaration of function ‘malloc’ user.c:29: warning: incompatible implicit declaration of built-in function ‘malloc’ user.c: In function ‘do_Dijkstra’: user.c:86: warning: incompatible implicit declaration of built-in function ‘malloc’ user.c: In function ‘main’: user.c:149: warning: incompatible implicit declaration of built-in function ‘malloc’ user.c:152: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:157: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:158: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c: In function ‘vmind’: user.c:66: warning: ‘min’ may be used uninitialized in this function user.c:66: warning: ‘imin’ may be used uninitialized in this function