C – Read entire contents of text File · Open the text file in read mode, using fopen(). · Get the length of text file using fseek() and ftell() functions.
Opening a file is performed using the fopen() function defined in the stdio.h header file. The syntax for opening a file in standard I/O is: ptr = fopen( ...
Open a file using the function fopen() and store the reference of the file in a FILE pointer. · Read contents of the file using any of these functions fgetc(), ...
Basics of Reading and Writing Text Files · Open the file using fopen · Read from the file using fscanf or write to the file using fprintf · Close the file using ...
In order to read the content of filename.txt , we can use the fgets() function. The fgets() function takes three parameters: Example. fgets(myString, 100, fptr);.