looking for some functions in C

hi

I'm searching for a function defined in C that can recognize if a certain character is a digit or not... is there a "isDigit()" function in C?

http://www.rt.com/man/isdigit.3.html

Aye. In ctype.h, isdigit()

http://www.google.com/search?hl=en&q...29&btnG=Search