Compilare: user.c: In function ‘main’: user.c:50:7: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in); ^ user.c:19:17: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in);\ ^ user.c:26:14: note: in expansion of macro ‘check’ check(*str, orig, fp); \ ^ user.c:54:3: note: in expansion of macro ‘skip_to_char’ skip_to_char(&temp_string, string, '"', '}', in); ^ user.c:19:17: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in);\ ^ user.c:56:3: note: in expansion of macro ‘check’ check(temp_string, string, in); ^ user.c:19:17: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in);\ ^ user.c:62:4: note: in expansion of macro ‘check’ check(temp_string, string, in); ^ user.c:19:17: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in);\ ^ user.c:26:14: note: in expansion of macro ‘check’ check(*str, orig, fp); \ ^ user.c:68:3: note: in expansion of macro ‘skip_to_char’ skip_to_char(&temp_string, string, ',', '}', in); ^ user.c:78:7: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in); ^ user.c:19:17: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in);\ ^ user.c:83:3: note: in expansion of macro ‘check’ check(temp_string, string, in); ^ user.c:19:17: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in);\ ^ user.c:26:14: note: in expansion of macro ‘check’ check(*str, orig, fp); \ ^ user.c:85:3: note: in expansion of macro ‘skip_to_char’