Compilare: user.c: In function ‘main’: user.c:29: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:32: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:34: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:38: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:46: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:29: warning: ‘st’ may be used uninitialized in this function user.c:29: warning: ‘dr’ may be used uninitialized in this function user.c:29: warning: ‘ss’ may be used uninitialized in this function user.c:29: warning: ‘js’ may be used uninitialized in this function