Eroare de compilare: user.c: In function ‘main’: user.c:47:10: warning: variable ‘ch’ set but not used [-Wunused-but-set-variable] char ch; ^ user.c:51:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d ", &n); ^ user.c: In function ‘myfgetc’: user.c:10:14: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer, BUF_SIZE, 1, fin); ^ /tmp/cc2xv0XM.o: In function `main': user.c:(.text.startup+0x7a): undefined reference to `myfgetc' user.c:(.text.startup+0xa2): undefined reference to `myfgetc' collect2: error: ld returned 1 exit status