Module io 

I/O Operations related syscalls (that takes a resource) such as read, write, truncate, etc

Functions

diriter_next

Gets the next directory entry from a directory iterator,

diriter_open

Opens a directory iterator for the directory with the resource id dir_ri, returns the resource id of the directory iterator

fattrs

Gets the file attributes of the file with the resource id fd

fsize

Gets the size of the file with the resource id fd

read

Reads buf.len() bytes from the file with the resource id fd at offset offset into buf

sync

Syncs the resource with the resource id ri

sysdiriter_next

Gets the next directory entry from a directory iterator,

sysdiriter_open

Opens a directory iterator for the directory with the resource id dir_ri

sysfattrs

Gets the file attributes of the file with the resource id fd and puts them in dest_attrs

sysfsize

Gets the size of the file with the resource id fd and puts it in dest_size

sysread

Reads len bytes from the file with the resource id fd at offset offset into buf

syssync

Syncs the resource with the resource id fd

systruncate

Truncates the file with the resource id fd to len bytes

syswrite

Writes len bytes from buf to the file with the resource id fd at offset offset

truncate

Truncates the file with the resource id fd to len bytes

write

Writes buf.len() bytes from buf to the file with the resource id fd at offset offset and returns the number of bytes written