Borderou de evaluare (job #18131)

Compilare: user.c: In function ‘rasturnat’: user.c:9:5: warning: statement with no effect [-Wunused-value] user.c: In function ‘main’: user.c:22:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:26:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:50:15: warning: ‘pzo’ may be used uninitialized in this function [-Wuninitialized] user.c:51:15: warning: ‘poz’ may be used uninitialized in this function [-Wuninitialized]