长度的字符串的字符串作为

Question

可能重复：
How to convert integer to string in C?

我想计算字符串的长度和值传递给函数为字符串。

char* s="abcd"; 
int i = strlen(s); 
char* lengthAsString = ????(i); 

Answer 1

char* s = "abcd"; 
int i = strlen(s); 
char lengthAsString[50]; 
sprintf(lengthAsString, "%d", i); 

// now you can use lengthAsString to pass it to a function