ft_isdigit.c File Reference

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Functions
int	ft_isdigit (int c)
	Checks whether a character is a decimal digit.

Function Documentation

ft_isdigit()

int ft_isdigit

(

int

c

)

Checks whether a character is a decimal digit.

Parameters

c	Character value to test.

Returns

Non-zero if c is in ['0', '9'], 0 otherwise.

Definition at line 19 of file ft_isdigit.c.

{
    return ((unsigned int)(c - '0') < 10); 
}