pub unsafe extern "C" fn vfs_read(
fd: c_int,
dest: *mut c_void,
count: size_t,
) -> ssize_t
Expand description
@brief Read bytes from an open file
@param[in] fd fd number obtained from vfs_open @param[out] dest destination buffer to hold the file contents @param[in] count maximum number of bytes to read
@return number of bytes read on success @return <0 on error
For simple cases of only a single read from a file, the @ref vfs_file_to_buffer function can be used.