Eroare de compilare: user.c:2: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘namespace’ user.c: In function ‘main’: user.c:25: error: ‘for’ loop initial declarations are only allowed in C99 mode user.c:25: note: use option -std=c99 or -std=gnu99 to compile your code user.c:28: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long int’ user.c:24: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:27: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result