You can even parse a whole line of a csv file with multiple numbers in one call "sscanf(str, "%d;%d;%d\n, &d1, &d2, &d3)"
Another person already correctly pointed out that the author was listing a bunch of functions for number and string conversions in general.
The article doesn't change that. It also lists scanf...
You can even parse a whole line of a csv file with multiple numbers in one call "sscanf(str, "%d;%d;%d\n, &d1, &d2, &d3)"