Eroare de compilare: user.c:1:17: error: cstdio: No such file or directory user.c:3: error: variably modified ‘a’ at file scope user.c:3: error: variably modified ‘p’ at file scope user.c:3: error: variably modified ‘q’ at file scope user.c: In function ‘scrie’: user.c:25: warning: implicit declaration of function ‘printf’ user.c:25: warning: incompatible implicit declaration of built-in function ‘printf’ user.c: In function ‘main’: user.c:32: warning: implicit declaration of function ‘freopen’ user.c:32: error: ‘stdin’ undeclared (first use in this function) user.c:32: error: (Each undeclared identifier is reported only once user.c:32: error: for each function it appears in.) user.c:33: error: ‘stdout’ undeclared (first use in this function) user.c:34: warning: implicit declaration of function ‘scanf’ user.c:34: warning: incompatible implicit declaration of built-in function ‘scanf’ user.c:44: warning: incompatible implicit declaration of built-in function ‘printf’