Borderou de evaluare (job #532042)

Compilare: user.c: In function ‘main’: user.c:14:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:16:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:31:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:42:25: warning: ‘ch’ may be used uninitialized in this function [-Wuninitialized]