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/*
* Copyright (C) 1991, 1992 Linus Torvalds
*/
#include <xen/string.h>
/**
* strspn - Calculate the length of the initial substring of @s which only
* contain letters in @accept
* @s: The string to be searched
* @accept: The string to search for
*/
size_t strspn(const char *s, const char *accept)
{
const char *p;
const char *a;
size_t count = 0;
for (p = s; *p != '\0'; ++p) {
for (a = accept; *a != '\0'; ++a) {
if (*p == *a)
break;
}
if (*a == '\0')
return count;
++count;
}
return count;
}
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*/
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