Compilare: user.c: In function ‘main’: user.c:35:5: warning: passing argument 1 of ‘fscanf’ from incompatible pointer type [enabled by default] fscanf ( fopen, " %d ", nrtri ); ^ In file included from /usr/include/features.h:357:0, from /usr/include/stdio.h:28, from user.c:1: /usr/include/stdio.h:449:12: note: expected ‘struct FILE * restrict’ but argument is of type ‘struct FILE * (*)(const char * restrict, const char * restrict)’ extern int __REDIRECT (fscanf, (FILE *__restrict __stream, ^ user.c:35:5: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘int’ [-Wformat=] fscanf ( fopen, " %d ", nrtri ); ^ user.c:9:12: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%d", &n ); ^ user.c:11:16: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%d", &v[i] ); ^ user.c:35:12: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( fopen, " %d ", nrtri ); ^ user.c:35:12: warning: ‘nrtri’ may be used uninitialized in this function [-Wmaybe-uninitialized]