1. Write C statements which tests to see if input file has opened the data file successfully. If not, print an error message and exit the program. 2. Write C code which will read a line of characters (terminated by a \n) from input_file into a character array called buffer. NULL terminate the buffer upon reading a \n. 3. Write a C program that will get 10 grades of the student from a file. Get the average of the three grades and check each grade if its passing or not. Passing grade is 70. Store all the passing grade to an output file, and store all the failing grades to another output file.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Use C LANGUAGE PROGRAM and PROVIDE COPYPASTE OF SOURCE CODE AND SCREENSHOT OF OUTPUT

1. Write C statements which tests to see if input file has opened the data file
successfully. If not, print an error message and exit the program.
2. Write C code which will read a line of characters (terminated by a \n)
from input file into a character array called buffer. NULL terminate the buffer
upon reading a \n.
3. Write a C program that will get 10 grades of the student from a file. Get the
average of the three grades and check each grade if its passing or not. Passing
grade is 70. Store all the passing grade to an output file, and store all the
failing grades to another output file.
Transcribed Image Text:1. Write C statements which tests to see if input file has opened the data file successfully. If not, print an error message and exit the program. 2. Write C code which will read a line of characters (terminated by a \n) from input file into a character array called buffer. NULL terminate the buffer upon reading a \n. 3. Write a C program that will get 10 grades of the student from a file. Get the average of the three grades and check each grade if its passing or not. Passing grade is 70. Store all the passing grade to an output file, and store all the failing grades to another output file.
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