1.TS
2center, allbox;
3lw(20).
4T{
5.nf
6.ce 1000
7Space for
8value returned
9from f
10.ce 0
11.fi
12T}
13T{
14.ce
15Value of a
16T}
17T{
18.sp
19.ce
20Block Mark
21.sp
22T}
23.TE
24.sp .1i
25.ce
26Figure 1.3 \- Stack structure on function call `f(a)'
27.sp .1i
28