Eroare de compilare: user.c: In function ‘bfs’: user.c:28:5: error: unknown type name ‘ac’ ac *dolar; ^ user.c:31:9: error: unknown type name ‘ac’ ac *fr=q[ic]; ^ user.c:31:16: warning: initialization from incompatible pointer type [enabled by default] ac *fr=q[ic]; ^ user.c:33:14: error: request for member ‘f’ in something not a structure or union if(fr->f[i]) { ^ user.c:34:25: error: request for member ‘fail’ in something not a structure or union for(dolar=fr->fail;dolar!=t && dolar->f[i]==NULL;dolar=dolar->fail); ^ user.c:34:37: warning: comparison of distinct pointer types lacks a cast [enabled by default] for(dolar=fr->fail;dolar!=t && dolar->f[i]==NULL;dolar=dolar->fail); ^ user.c:34:49: error: request for member ‘f’ in something not a structure or union for(dolar=fr->fail;dolar!=t && dolar->f[i]==NULL;dolar=dolar->fail); ^ user.c:34:73: error: request for member ‘fail’ in something not a structure or union for(dolar=fr->fail;dolar!=t && dolar->f[i]==NULL;dolar=dolar->fail); ^ user.c:35:21: error: request for member ‘f’ in something not a structure or union if(dolar->f[i]!=NULL&&dolar->f[i]!=fr->f[i]) ^ user.c:35:40: error: request for member ‘f’ in something not a structure or union if(dolar->f[i]!=NULL&&dolar->f[i]!=fr->f[i]) ^ user.c:35:50: error: request for member ‘f’ in something not a structure or union if(dolar->f[i]!=NULL&&dolar->f[i]!=fr->f[i]) ^ user.c:36:28: error: request for member ‘f’ in something not a structure or union dolar=dolar->f[i]; ^ user.c:37:15: error: request for member ‘f’ in something not a structure or union fr->f[i]->fail=dolar,q[++sc]=fr->f[i]; ^ user.c:37:44: error: request for member ‘f’ in something not a structure or union fr->f[i]->fail=dolar,q[++sc]=fr->f[i]; ^ user.c:37:33: warning: left-hand operand of comma expression has no effect [-Wunused-value] fr->f[i]->fail=dolar,q[++sc]=fr->f[i]; ^ user.c: In function ‘antibfs’: user.c:44:9: error: unknown type name ‘ac’ ac *fr=q[i]; ^