ft_isalpha.c File Reference

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Functions
int	isalpha (int c)
	Checks whether a character is alphabetic.

Function Documentation

isalpha()

int isalpha

(

int

c

)

Checks whether a character is alphabetic.

Parameters

c	Character value to test.

Returns

Non-zero if c is in [A-Z] or [a-z], 0 otherwise.

Definition at line 19 of file ft_isalpha.c.

{
    return (((unsigned int)(c | 32) - 'a') < 26);
}