Compilare: user.c: In function ‘main’: user.c:35: warning: array subscript has type ‘char’ user.c:38: warning: array subscript has type ‘char’ user.c:17: warning: unused variable ‘ch’ user.c:17: warning: unused variable ‘w’ user.c:24: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:28: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:30: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result In file included from /usr/include/stdio.h:910, from user.c:1: In function ‘fgets’, inlined from ‘main’ at user.c:30: /usr/include/bits/stdio2.h:253: warning: call to ‘__fgets_chk_warn’ declared with attribute warning: fgets called with bigger size than length of destination buffer