iswalpha.c File Reference

#include <wctype.h>
#include "alpha.h"

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Functions
int	iswalpha (wint_t wc)

Variables
static const unsigned char	table []

Function Documentation

iswalpha()

int iswalpha

(

wint_t

wc

)

Definition at line 7 of file iswalpha.c.

{
    if(wc < 0x20000U)
    {
        return (table[table[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1;
    }
    if(wc < 0x2fffeU)
    {
        return 1;
    }
    return 0;
}

References table.

Referenced by __towcase(), iswalnum(), and iswctype().

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Variable Documentation

table

const unsigned char table[]

static

Definition at line 3 of file iswalpha.c.

Referenced by iswalpha().