Eroare de compilare: user.c:1:18: 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 ‘write’: user.c:18: warning: implicit declaration of function ‘printf’ user.c:18: warning: incompatible implicit declaration of built-in function ‘printf’ user.c: In function ‘main’: user.c:24: error: ‘FILE’ undeclared (first use in this function) user.c:24: error: (Each undeclared identifier is reported only once user.c:24: error: for each function it appears in.) user.c:24: error: ‘fin’ undeclared (first use in this function) user.c:24: error: ‘fout’ undeclared (first use in this function) user.c:24: warning: left-hand operand of comma expression has no effect user.c:25: warning: implicit declaration of function ‘fopen’ user.c:25: error: ‘argv’ undeclared (first use in this function) user.c:27: warning: implicit declaration of function ‘fscanf’ user.c:27: warning: incompatible implicit declaration of built-in function ‘fscanf’ user.c:32: error: too many arguments to function ‘write’ user.c:33: warning: implicit declaration of function ‘fclose’