Compilare: user.c: In function ‘main’: user.c:46:8: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(f, MAXL + 1, in); ^ user.c:47:8: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(s, MAXL + 1, in); ^ user.c:10:5: warning: ‘last’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i = 0; i < p; i++){ ^ user.c:57:7: note: ‘last’ was declared here int last; ^