Compilare: user.c:57:1: warning: return type defaults to ‘int’ [enabled by default] pune_in_coada(int nod) ^ user.c:76:1: warning: return type defaults to ‘int’ [enabled by default] scoate_din_coada() ^ user.c: In function ‘citire’: user.c:23:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("bfs.in","r",stdin); ^ user.c:24:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&n,&m,&s); ^ user.c:30:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&x,&y); ^ user.c: In function ‘pune_in_coada’: user.c:74:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.c: In function ‘scoate_din_coada’: user.c:86:1: warning: control reaches end of non-void function [-Wreturn-type] } ^