Borderou de evaluare (job #95730)

Eroare de compilare: user.c: In function ‘main’: user.c:3:5: error: unknown type name ‘FILE’ user.c:5:5: warning: implicit declaration of function ‘fopen’ [-Wimplicit-function-declaration] user.c:5:9: warning: assignment makes pointer from integer without a cast [enabled by default] user.c:6:5: warning: implicit declaration of function ‘fscanf’ [-Wimplicit-function-declaration] user.c:6:5: warning: incompatible implicit declaration of built-in function ‘fscanf’ [enabled by default] user.c:25:5: warning: implicit declaration of function ‘fclose’ [-Wimplicit-function-declaration] user.c:27:10: warning: assignment makes pointer from integer without a cast [enabled by default] user.c:28:5: warning: implicit declaration of function ‘fprintf’ [-Wimplicit-function-declaration] user.c:28:5: warning: incompatible implicit declaration of built-in function ‘fprintf’ [enabled by default] user.c:4:24: warning: variable ‘ca’ set but not used [-Wunused-but-set-variable]