13问答网 > C语言中，如何或得一个数组的长度？

C语言中，如何或得一个数组的长度？

2025-03-15 10:01:49
推荐回答（3个）
回答1：

#include "string.h"
int len=strlen(a);

回答2：

int strlen(char *str)

{

int len = 0;

if(str == NULL)return -1;

while(*str++)
len++;

return len;

}

回答3：

for(i=0;a[i]!=0;i++) ;
len=i;

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