Eroare de compilare: user.c: In function ‘main’: user.c:14:20: warning: unused variable ‘i’ [-Wunused-variable] int nr_col = 0,i; ^ user.c: In function ‘get_column’: user.c:27:27: error: expected ‘;’ before ‘:’ token line = malloc ( BUFSIZE ): ^ user.c:24:11: warning: variable ‘line’ set but not used [-Wunused-but-set-variable] char *line,*sample; ^ user.c:23:17: warning: unused variable ‘ok’ [-Wunused-variable] int i,j = 0,ok = 0,aux; ^ user.c:23:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j = 0,ok = 0,aux; ^