passing structures

[Stephen Clamage]

andrew at motto.UUCP (Andrew Walduck) writes:

|In the new ANSI standard, we can now pass (and return) a structure by
|value. Like so...(fragment follows)

|typedef struct complex { int real; int imag; } complex;
|complex add(complex, complex); /* function prototype for complex add */

|Now, here's the problem...what if I wanted to pass a constant structure
|to add! For example I wanted to add 5+8i to a:

|result = add(a,{5,8});

|But this isn't supported by ANSII! There's no way to pass a structure
|as a parameter!

It was never possible to create such an anonymous structure constant in
Classic C, and is still not possible in ANSI C.  You can however do
this easily in C++, where such things are fully supported.
-- 

Steve Clamage, TauMetric Corp, steve at taumet.com