#include stdio.h#include string.hint main () {int len;const char str1[] = ABCDEF4960910;

编程学习网为您整理以下代码实例，主要实现：C语言库strcspn()函数，希望可以帮到各位朋友。

#include <stdio.h>
#include <string.h>

int main () {
   int len;
   const char str1[] = "ABCDEF4960910";
   const char str2[] = "013";

   len = strcspn(str1, str2);

   printf("First matched character is at %d\n", len + 1);

   return(0);
}