isalpha

Indicates if a character is classed as an alphabetic character in the program's current locale.

Format

#include  <ctype.h>

int isalpha  (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 alphabetic. 
If not alphabetic. 


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