Question

Consider the grading robot report for t1.c (Taskl) of Lab 6 below: Testing Repo repo. alavergn/6 Lab 6 Task 1 at 2019-07-08 13:09:16.015934 cwd /home/instructor/127/build.alavergn.jmMi6w sandbox /home/build/sandbox.alavergn. OVpQ4m Build operations: Error: Build returned 2. Error output: Make stdout: gcc -Std-gnu99 -Wall -Wfatal errors -g -ILAB -o t1 LAB/intarr.c LAB/test_binary.c REPO/t1.c la /home/instructor/127/lab/6/Makefile.test:11: recipe for target 'tl' failed Make stderr: REPO/t1.c: In function 'intarr_save_binary': REPO/t1.c:24:3: error: unknown type name 'FILE' FILE * theFile - fopen(filename, "w"); compilation terminated due to -Wfatal-errors. make: *** [t1] Error 1 Build failed. Logging 6d8cac9 alavergn 1562616535 6:<module 'task' from '/home/instructor/127/bin/task.pyc'> 1

Answer 1

Ans.1 This is the error report thrown by the unix compiler, compiling a c promgramming file.

The error is encountered int function named: intarr_save_binary() at line 24 where it econtered the line, FILE * theFile = fopen(filename, "w");

The compiler has failed to compile the file because it did not identify the type of keyword FILE.

Ans. 2 To fix the t1.c and resolve the error we have to write statement: #include <stdio.h>. This statement tells the compiler to insert the contents of stdio at that particular place. stdio.h is the header file for standard input and output.