Eroare de compilare: user.c:1:19: error: iostream: No such file or directory user.c:2: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'namespace' user.c: In function 'main': user.c:13: error: 'FILE' undeclared (first use in this function) user.c:13: error: (Each undeclared identifier is reported only once user.c:13: error: for each function it appears in.) user.c:13: error: 'pf' undeclared (first use in this function) user.c:13: warning: implicit declaration of function 'fopen' user.c:14: warning: implicit declaration of function 'fscanf' user.c:14: warning: incompatible implicit declaration of built-in function 'fscanf' user.c:15: warning: implicit declaration of function 'fclose' user.c:17: warning: implicit declaration of function 'fprintf' user.c:17: warning: incompatible implicit declaration of built-in function 'fprintf' user.c:20:2: warning: no newline at end of file