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#include <stdlib.h>
#include "shgetc.h"
#include "floatscan.h"
#include "stdio_impl.h"
static long double strtox(const char *s, char **p, int prec)
{
FILE f;
sh_fromstring(&f, s);
shlim(&f, 0);
long double y = __floatscan(&f, prec, 1);
off_t cnt = shcnt(&f);
if (p) *p = cnt ? (char *)s + cnt : (char *)s;
return y;
}
float strtof(const char *restrict s, char **restrict p)
{
return strtox(s, p, 0);
}
double strtod(const char *restrict s, char **restrict p)
{
return strtox(s, p, 1);
}
long double strtold(const char *restrict s, char **restrict p)
{
return strtox(s, p, 2);
}
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