function::user_long
名称
function::user_long — Retrieves a long value stored in user space
Synopsis
user_long:long(addr:long)
Arguments
addr- the user space address to retrieve the long from
Description
Returns the long value from a given user space address. Returns zero when user space data is not accessible. Note that the size of the long depends on the architecture of the current user space task (for those architectures that support both 64/32 bit compat tasks).
