how to find out non-printable characters in a string ?

[Sakthiu]

Hi, I want to print decimal values if characters are non-printable. how to find out non-printable characters in a string ? is their any 'c' api? Thanks, Sakthi

Nice things do nice works

[Roger Stoltz]

Have a look at the locale functions, such as isalpha() and isalnum() here[^].

"It's supposed to be hard, otherwise anybody could do it!" - selfquote
"High speed never compensates for wrong direction!" - unknown

[CPallini]

isprint [^]? :)

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