z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

With these instructions, bc displays
The value of foo is 15
statement ; statement ...
Is a sequence of statements on the same line. In bc, a semicolon (;) and a
newline are equivalent. They both indicate the end of a statement. bc runs
these statements in order from left to right.
{statement}
Is a brace-bracketed statement. Brace brackets are used to group
sequences of statements together, as in:
{
statement
statement
...
}
Brace brackets can group a series of statements that are split over several
lines. Braces are usually used with control statements like if and while.
break Can be used only inside a while or for loop. break ends the loop.
for (initexp ; relation ; endexp) statement
Is equivalent to:
initexp
while (relation) {
}
statement
endexp
where initexp and endexp are expressions and relation is a relation. For
example:
a = 0
for (i = 1; i