Compilare: user.c: In function ‘main’: user.c:21:2: warning: implicit declaration of function ‘sortare’ [-Wimplicit-function-declaration] sortare(v,n); ^ user.c:47:2: warning: implicit declaration of function ‘close’ [-Wimplicit-function-declaration] close(in); ^ user.c: At top level: user.c:52:6: warning: conflicting types for ‘sortare’ [enabled by default] void sortare(int a[],int n) ^ user.c:21:2: note: previous implicit declaration of ‘sortare’ was here sortare(v,n); ^ user.c: In function ‘main’: user.c:15:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&n); ^ user.c:19:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&v[i]); ^ user.c:43:9: warning: ‘save’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(save<major) ^