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17 wrz 2024 · The C fread () is a standard library function used to read the given amount of data from a file stream. Defined inside <stdio.h>, the fread () function reads the given number of elements of specific size from the file stream and stores it in the buffer memory.
In this tutorial, you'll learn how to use the C fread() function to read data from a file into the memory.
Example 1: Reading an Array of Integers from a Binary File. The program reads an array of 5 integers from a binary file and prints each integer. Below is the illustration of C library fread () function.
The fread() function reads data from a file and writes into a block of memory. The fread() function is defined in the <stdio.h> header file. Syntax. fread(void * destination, size_t size, size_t amount, FILE * fptr); The size_t data type is a non-negative integer. Parameter Values. Technical Details. C stdio Library. W3schools Pathfinder.
9 maj 2023 · fread. Reads up to count objects into the array buffer from the given input stream stream as if by calling fgetc size times for each object, and storing the results, in the order obtained, into the successive positions of buffer, which is reinterpreted as an array of unsignedchar.
27 lip 2020 · Learn how to use fread() function to read binary data from a file in C. See examples of reading primitive types, arrays, structures and more with fread() function.
21 gru 2011 · fread returns the number of elements read, so those calls will return different values. If an element cannot be completely read, its value is indeterminate: If an error occurs, the resulting value of the file position indicator for the stream is indeterminate. If a partial element is read, its value is indeterminate.
