scanf()

[BartC]

With the scanf() functions, is there any way of finding out how far it's got
scanning the input?

For example:

double x;
char *s="12.87 91.33";

sscanf(s,"%lf",&x);

This reads 12.87 into x; but how can I tell it's consumed 5 characters of
the input string?

 

[Ben Bacarisse]

With the scanf() functions, is there any way of finding out how far
it's got scanning the input?

For example:

double x;
char *s="12.87 91.33";

sscanf(s,"%lf",&x);

This reads 12.87 into x; but how can I tell it's consumed 5 characters
of the input string?

%n

 

[BartC]

%n

Thanks.