NAME
   strscan - scan a string for possible assignment to variables

SYNOPSIS
   strscan(str, x_1, x_2, ..., x_n)

TYPES
    str			string
    x_1, x_2, ...	any

    return		integer

DESCRIPTION
   Successive fields of str separated by white space are read and
   evaluated so long as values remain in the x_i arguments;  when the
   x_i corresponding to the field is an lvalue the value obtained for the
   i-th field is assigned to x_i.

   The function returns the number of fields evaluated.

EXAMPLE
    global a,b
    > strscan(" 2+3  a^2  print(b)", a, b, 0);
    25
	3
    > print a,b
    5 25

LIMITS
    none - XXX - is this correct?

LIBRARY
    none - XXX - is this correct?

SEE ALSO
    scan, fscan, fscanf, strscanf, scanf, printf, fprintf