Eroare de compilare: user.c:1:18: error: Stdio.h: No such file or directory user.c:3: error: expected '=', ',', ';', 'asm' or '__attribute__' before '*' token user.c:4: error: expected '=', ',', ';', 'asm' or '__attribute__' before '*' token user.c: In function 'main': user.c:7: warning: implicit declaration of function 'fscanf' user.c:7: warning: incompatible implicit declaration of built-in function 'fscanf' user.c:7: error: 'f' undeclared (first use in this function) user.c:7: error: (Each undeclared identifier is reported only once user.c:7: error: for each function it appears in.) user.c:30: warning: implicit declaration of function 'fprintf' user.c:30: warning: incompatible implicit declaration of built-in function 'fprintf' user.c:30: error: 'g' undeclared (first use in this function) user.c:34: warning: implicit declaration of function 'fclose' user.c:41:2: warning: no newline at end of file