Indicates if a character is classed as a digit in the program's
current locale.
Format
#include <ctype.h>
int isdigit (int character);
Argument
- character
- An object of type int. The value of character must be
representable as an unsigned char or must equal the value of the
macro EOF. If it has any other value, the behavior is undefined.
Return Values
| nonzero | If a decimal digit. |
| 0 | If not a decimal digit. |
Previous Page | Next Page | Table of Contents | Index