Compilare: user.c: In function ‘main’: user.c:26: warning: passing argument 1 of ‘scanf’ from incompatible pointer type /usr/include/stdio.h:428: note: expected ‘const char * __restrict__’ but argument is of type ‘struct FILE *’ user.c:24: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:26: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result user.c:30: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c: In function ‘caut’: user.c:6: warning: ‘m’ may be used uninitialized in this function