int snprintf(char *restrict buf, size_t n, const char * restrict format, ...); 函数说明:最多从源串中拷贝n-1个字符到目标串中,然后再在后面加一个0.所以如果目标串的大小为n 的话,将不会溢出. 函数返回值:若成功则返回欲写入的字符串长度,若出错则返回负值. Result1(推荐的用法) #include <stdio.h>#include <stdlib.h> int main(){ cha
Multibyte characters mblen Get length of multibyte character (function ) mbtowc Convert multibyte sequence to wide character (function ) wctomb Convert wide character to multibyte sequence (function ) Multibyte strings mbstowcs Convert multibyte stri