ML>> standard, non-ANSI library functions have an underscore as the leading
ML>> symbol in the function name.

PE> There is no requirement for this, unless they interfere with the

TS> One is free to use functions named as one likes but the resulting programs 
TS> are not longer allowed to be called (strictly) conforming :-)

That is not true.  This program is strictly conforming...

#include 

void doprint(void);

int main(void)
{
    doprint();
    return (0);
}

void doprint(void)
{
    printf("hello, world\n");
    return;
}

Despite the fact that doprint() is not defined by ISO.  BFN.  Paul.
@EOT:

---