Eroare de compilare: user.c:8: error: expected specifier-qualifier-list before ‘node’ user.c: In function ‘main’: user.c:32: error: ‘node’ has no member named ‘next’ user.c:44: error: ‘node’ has no member named ‘next’ user.c:47: error: ‘index’ undeclared (first use in this function) user.c:47: error: (Each undeclared identifier is reported only once user.c:47: error: for each function it appears in.) user.c:23: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:24: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:25: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:28: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c:29: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result