Compilare: user.c: In function ‘skip_str’: user.c:26:9: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(*str, BLOCK_SIZE, fp); ^ user.c: In function ‘skip_to_char’: user.c:53:9: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(*str, BLOCK_SIZE, fp); ^ user.c: In function ‘main’: user.c:75:7: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in); ^ user.c:88:10: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in); ^ user.c:103:7: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in); ^ user.c:114:9: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in); ^ user.c:123:10: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in); ^ user.c:134:11: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in); ^ user.c:142:11: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in); ^ user.c:151:11: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(temp_string, BLOCK_SIZE, in); ^