Borderou de evaluare (job #173548)

Compilare: user.c: In function ‘main’: user.c:9:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:10:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:16:12: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:17:10: warning: ‘b’ may be used uninitialized in this function [-Wuninitialized]