Eroare de compilare: user.c:3: error: expected declaration specifiers or ‘...’ before ‘b’ user.c:3: error: expected declaration specifiers or ‘...’ before ‘i’ user.c:3: error: expected declaration specifiers or ‘...’ before ‘n’ user.c:3: warning: ‘main’ takes only zero or two arguments user.c: In function ‘main’: user.c:8: error: ‘n’ undeclared (first use in this function) user.c:8: error: (Each undeclared identifier is reported only once user.c:8: error: for each function it appears in.) user.c:9: error: ‘i’ undeclared (first use in this function) user.c:12: error: ‘b’ undeclared (first use in this function) user.c:25: warning: passing argument 1 of ‘fprintf’ from incompatible pointer type /usr/include/bits/stdio2.h:96: note: expected ‘struct FILE * __restrict__’ but argument is of type ‘char *’ user.c:25: error: too few arguments to function ‘fprintf’ user.c:27: error: ‘else’ without a previous ‘if’