不要沉啊,小白求问

SAS Functions Not Available with %SYSFUNC and %QSYSFUNC
All Variable Information Functions        ALLCOMB        ALLPERM
DIF        DIM        HBOUND
IORCMSG        INPUT        LAG
LBOUND        LEXCOMB        LEXCOMBI
LEXPERK        LEXPERM        MISSING
PUT        RESOLVE        SYMGET
Note:   Instead of INPUT and PUT, which are not available with %SYSFUNC and %QSYSFUNC, use INPUTN, INPUTC, PUTN, and PUTC.  [cautionend]

Note:   The Variable Information functions include functions such as VNAME and VLABEL. For a complete list, see Definitions of Functions and CALL Routines in SAS Language Reference: Dictionary.  [cautionend]