mbscspn.c

来自「一个类似windows」· C语言 代码 · 共 24 行

#include <mbstring.h>

/*
 * FIXME not correct
 *
 * @unimplemented
 */
size_t _mbscspn(const unsigned char *s1, const unsigned char *s2)
{
  const unsigned char *p, *spanp;
  char c, sc;

  for (p = s1;;)
  {
    c = *p++;
    spanp = s2;
    do {
      if ((sc = *spanp++) == c)
	return (size_t)(p - 1) - (size_t)s1;
    } while (sc != 0);
  }
  /* NOTREACHED */
}