 
			| GNU/Linux | CentOS 5.5 | |
|  | user_string(3stap) |  | 
user_string − Retrieves string from user space.
user_string:string(addr:long)
| addr | The user space address to retrieve the string from. | 
Returns the null terminated C string from a given user space memory address. Reports “<unknown>” on the rare cases when userspace data is not accessible.
|  | user_string(3stap) |  |