Eroare de compilare: user.c:1:21: error: iostream.h: No such file or directory user.c:2:20: error: fstream.h: No such file or directory user.c:3: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘fin’ user.c:4: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘fout’ user.c: In function ‘suma’: user.c:34: error: ‘fout’ undeclared (first use in this function) user.c:34: error: (Each undeclared identifier is reported only once user.c:34: error: for each function it appears in.) user.c: In function ‘main’: user.c:38: error: ‘fin’ undeclared (first use in this function)