Compilare: user.c: In function ‘main’: user.c:39:18: warning: conversion lacks type at end of format [-Wformat=] fscanf(fi,"%ll",&p); ^ user.c:39:15: warning: too many arguments for format [-Wformat-extra-args] fscanf(fi,"%ll",&p); ^~~~~ user.c:39:5: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%ll",&p); ^~~~~~~~~~~~~~~~~~~