The function fread() reads nmemb items of data, each size bytes long, from the stream pointed to by stream, storing them at the location given by ptr. The function fwrite() writes nmemb items of data, each size bytes long, to the stream pointed to by …
2024年9月17日 · 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.
Following is the C library syntax of the fread() function −. size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream); Parameters. This function accepts three parameters −. ptr: A pointer to a block of memory where the read data will be stored. size: The size, in …