Compilare: user.c: In function ‘main’: user.c:9: warning: format ‘%d’ expects type ‘int *’, but argument 3 has type ‘long int *’ user.c:30: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long int’ user.c:32: warning: passing argument 1 of ‘printf’ from incompatible pointer type /usr/include/bits/stdio2.h:103: note: expected ‘const char * __restrict__’ but argument is of type ‘struct FILE *’ user.c:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:12: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result