Borderou de evaluare (job #171885)

Eroare de compilare: user.c: In function ‘main’: user.c:15:9: error: ‘x’ undeclared (first use in this function) user.c:15:9: note: each undeclared identifier is reported only once for each function it appears in user.c:17:9: warning: passing argument 2 of ‘fprintf’ makes pointer from integer without a cast [enabled by default] /usr/include/i386-linux-gnu/bits/stdio2.h:96:1: note: expected ‘const char * __restrict__’ but argument is of type ‘int’ user.c:17:9: warning: format not a string literal and no format arguments [-Wformat-security] user.c:9:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:20:1: warning: control reaches end of non-void function [-Wreturn-type]