strchrnul.h File Reference

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Functions
char *	__strchrnul (const char *s, int c)

Function Documentation

__strchrnul()

char* __strchrnul	(	const char *	s,
		int	c
	)

Definition at line 13 of file strchrnul.c.

{
    const size_t* w;
    size_t k;
    c = (unsigned char)c;

    if(!c)
    {
        return (char*)(uintptr_t)s + strlen(s);
    }

    for(; (uintptr_t)s % ALIGN; s++)
    {
        if(!*s || *(const unsigned char*)s == c)
        {
            return (char*)(uintptr_t)s;
        }
    }

    k = ONES * (unsigned long)c;

    for(w = (const void*)s; !HASZERO(*w) && !HASZERO(*w ^ k); w++)
    {
        {
            ;
        }
    }
    for(s = (const void*)w; *s && *(const unsigned char*)s != c; s++)
    {
        {
            ;
        }
    }

    return (char*)(uintptr_t)s;
}

References ALIGN, HASZERO, ONES, and strlen().