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function isaptr(elem)
{
if (substr(elem, 1, 1) == "*") {
return 1;
}
return 0;
}
function noptr(elem)
{
if (!isaptr(elem)) return elem;
return substr(elem, 2);
}
function xprintf(f, fmt, v1, v2, v3, v4, v5, v6, v7)
{
printf(fmt, v1, v2, v3, v4, v5, v6) > f;
}
function fatal(why)
{
printf("FATAL: %s\n", why);
exit 1;
}
function numlines(fname,
LOCAL, line, count)
{
count=0;
while ((getline line < fname) > 0) count++;
close(fname);
return count;
}
# return 1 if the string is a constant
function is_constant(s)
{
return match(s,"^[0-9]+$");
}
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