/* *  linux/lib/string.c * *  Copyright (C) 1991, 1992  Linus Torvalds */#include <sys/types.h>#include <string.h>#include <ctype.h>#ifndef __HAVE_ARCH_STRSPNsize_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;}#endif