log EXPR log Returns the natural logarithm (base e) of EXPR. If EXPR is omitted, returns the log

telldir DIRHANDLE Returns the current position of the

sqrt EXPR sqrt Return the positive square root of EXPR. If EXPR is omitted, uses

vec EXPR,OFFSET,BITS Treats the string in EXPR as a bit vector made up of elements of width BITS and returns the value of the element specified

goto LABEL goto EXPR goto &NAME The

sysseek FILEHANDLE,POSITION,WHENCE Sets FILEHANDLE's system position in bytes using lseek(2). FILEHANDLE may be an expression whose value

ioctl FILEHANDLE,FUNCTION,SCALAR Implements the ioctl(2) function. You'll probably first have to say

getprotoent

readpipe EXPR readpipe EXPR is executed as a system command. The collected standard output of the command

getnetent