Eroare de compilare: user.c:3: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘namespace’ user.c: In function ‘main’: user.c:41: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long int’ user.c:31: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:33: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:36: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:37: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:38: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result