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1 gru 2022 · fread returns the number of full items the function read, which may be less than count if an error occurs, or if it encounters the end of the file before reaching count. Use the feof or ferror function to distinguish a read error from an end-of-file condition.
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.
1 gru 2022 · fread_s returns the number of (whole) items that were read into the buffer, which may be less than count if a read error or the end of the file is encountered before count is reached. Use the feof or ferror function to distinguish an error from an end-of-file condition.
21 gru 2011 · I wanted to clarify the answers here. fread performs buffered IO. The actual read block sizes fread uses are determined by the C implementation being used. All modern C libraries will have the same performance with the two calls: fread(a, 1, 1000, file); fread(a, 1000, 1, file); Even something like: for (int i=0; i<1000; i++) a[i] = fgetc(file)
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.
fread returns the number of full items the function read, which may be less than count if an error occurs, or if it encounters the end of the file before reaching count. Use the feof or ferror function to distinguish a read error from an end-of-file condition.
16 kwi 2020 · fread. The function fread () reads num number of objects (where each object is size bytes) and places them into the array pointed to by buffer. The data comes from the given input stream. The return value of the function is the number of things read. You can use feof () or ferror () to figure out if an error occurs.
