Eroare de compilare: user.c:3:19: error: subaru.h: No such file or directory user.c:4:22: error: quicksort.h: No such file or directory user.c: In function ‘main’: user.c:54: warning: unused variable ‘fout’ user.c:54: warning: unused variable ‘fin’ user.c:53: warning: unused variable ‘string’ user.c:63: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c:65: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result user.c:70: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result user.c:99: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result