Compilare: user.c: In function ‘main’: user.c:77:7: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in); ^ user.c:20:17: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in);\ ^ user.c:30:14: note: in expansion of macro ‘check’ check(str, orig, fp); \ ^ user.c:84:3: note: in expansion of macro ‘skip_to_char’ skip_to_char(temp_string, string, '"', '}', in); ^ user.c:20:17: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in);\ ^ user.c:86:3: note: in expansion of macro ‘check’ check(temp_string, string, in); ^ user.c:20:17: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in);\ ^ user.c:92:4: note: in expansion of macro ‘check’ check(temp_string, string, in); ^ user.c:20:17: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in);\ ^ user.c:30:14: note: in expansion of macro ‘check’ check(str, orig, fp); \ ^ user.c:100:3: note: in expansion of macro ‘skip_to_char’ skip_to_char(temp_string, string, ',', '}', in); ^ user.c:113:7: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in); ^ user.c:20:17: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in);\ ^ user.c:118:3: note: in expansion of macro ‘check’ check(temp_string, string, in); ^ user.c:20:17: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in);\ ^ user.c:30:14: note: in expansion of macro ‘check’ check(str, orig, fp); \ ^ user.c:120:3: note: in expansion of macro ‘skip_to_char’