lfc_getusrbynam - get virtual uid associated with a given user name
int lfc_getusrbynam (char *username, uid_t *uid)
lfc_getusrbynam gets the virtual uid associated with a given user name.
specifies the user name. It must be at most 255 characters
uid specifies the address of a buffer to receive the Virtual User
This routine returns 0 if the operation was successful or -1 if the
operation failed. In the latter case, serrno is set appropriately.
EFAULT username or uid is a NULL pointer.
EINVAL This user name does not exist in the internal mapping
table or the length of username exceeds 255.
SENOSHOST Host unknown.
SENOSSERV Service unknown.
SECOMERR Communication error.
ENSNACT Name server is not running or is being shutdown.