rs-libc 0.2.5

A subset of libc that can be used with Rust in freestanding environments.
Documentation 
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#include "intscan.h"
#include <inttypes.h>
#include <limits.h>
#include <ctype.h>

static unsigned long long strtox(const char *s, char **p, int base, unsigned long long lim)
{
	const char* f[2] = {s,s};
	unsigned long long y = __intscan(&f, base, 1, lim);
	if (p) *p = (char *)f[1];
	return y;
}

unsigned long long strtoull(const char *restrict s, char **restrict p, int base)
{
	return strtox(s, p, base, ULLONG_MAX);
}

long long strtoll(const char *restrict s, char **restrict p, int base)
{
	return strtox(s, p, base, LLONG_MIN);
}

unsigned long strtoul(const char *restrict s, char **restrict p, int base)
{
	return strtox(s, p, base, ULONG_MAX);
}

long strtol(const char *restrict s, char **restrict p, int base)
{
	return strtox(s, p, base, 0UL+LONG_MIN);
}

intmax_t strtoimax(const char *restrict s, char **restrict p, int base)
{
	return strtoll(s, p, base);
}

uintmax_t strtoumax(const char *restrict s, char **restrict p, int base)
{
	return strtoull(s, p, base);
}