Compilare: user.c: In function ‘move’: user.c:17:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.c: In function ‘main’: user.c:26:5: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d",&n); ^ user.c:28:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d ",&x); ^ user.c:43:5: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d",&lic); ^ user.c:56:36: warning: ‘liic’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(f2,"%d D",vol-(v[i-1]-v[liic])); ^