Eroare de compilare: user.c:9: error: expected specifier-qualifier-list before ‘nod’ user.c:11: error: expected ‘)’ before ‘*’ token user.c: In function ‘citire’: user.c:29: warning: implicit declaration of function ‘add’ user.c:22: 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: In function ‘bfs’: user.c:36: error: ‘nod’ undeclared (first use in this function) user.c:36: error: (Each undeclared identifier is reported only once user.c:36: error: for each function it appears in.) user.c:36: error: ‘q’ undeclared (first use in this function) user.c:35: warning: unused variable ‘i’