File Opening Modes in C Language

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O LEVEL -PAPER 3rD -- M3-R4

C  LANGUAGE 




FILE OPENING MODES IN  C :--



fopen in c,file opening mode in c
file opening modes

                                                                        

READING FROM A FILE MEANS :-


Extracting data from a file to our program variables.

This will not remove data from the file.


HOW TO START PROGRAM ?


fopen in c, reading file in c
fopen in c



Here in above example we take file pointer *fp and mode 'r' .



HOW TO CHECK IF FILE IS OPENED ?




Here in above example we take if condition to check file is open or not and pass (fp==null) as a condition and use 'exit' to terminate the program if file is not found.

EXAMPLE :-


WRITE A PROGRAM TO READ CONTENT FROM A  FILE AND DISPLAY ON THE SCREEN.


fopen in c,fclose in c
example reading from a file

Here in above example we used feof(), this function is used for returning true or false 
(0and1)value. and used fgetc() function to read the character of a program .

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