Compilare: user.c: In function ‘main’: user.c:17:5: warning: ‘main’ is normally a non-static function [-Wmain] int main(int argc, char* argv[]) { ^ user.c: In function ‘main’: user.c:21:13: warning: unused variable ‘end’ [-Wunused-variable] int begin, end; ^ user.c:21:6: warning: unused variable ‘begin’ [-Wunused-variable] int begin, end; ^ user.c: In function ‘main’: user.c:9:13: warning: unused variable ‘end’ [-Wunused-variable] int begin, end; ^ user.c:9:6: warning: unused variable ‘begin’ [-Wunused-variable] int begin, end; ^ user.c:73:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, " [ { "); ^ user.c:75:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, " \" "); ^ user.c:80:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, " \" : "); ^ user.c:82:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%*[\"A-Za-z0-9. ]"); ^ user.c:84:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, " , "); ^ user.c:90:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, " [ { "); ^ user.c:94:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, " \" "); ^ user.c:98:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, " \" : "); ^ user.c:100:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, " \" "); ^ user.c:101:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%[A-Za-z0-9.+ ]s", buffer); ^ user.c:102:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, " \" ");