Eroare de compilare: user.c: In function ‘main’: user.c:27:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&m,&m); ^ user.c:30:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d",&cod,&x,&y); ^ /tmp/ccNIofiA.o: In function `main': user.c:(.text.startup+0x48e): undefined reference to `find' user.c:(.text.startup+0x526): undefined reference to `find' user.c:(.text.startup+0x568): undefined reference to `find' user.c:(.text.startup+0x5aa): undefined reference to `find' collect2: error: ld returned 1 exit status