C语言中snprintf
时间: 2023-10-24 10:04:11 浏览: 50
C语言中的snprintf()函数是一个格式化输出函数,用于将格式化的字符串写入到指定的字符数组中。它的函数原型为int snprintf(char *str, size_t size, const char *format, ...)。其中,str是指向目标字符数组的指针,size是目标字符数组的大小,format是格式化的字符串,其后可以跟随一系列的参数用于填充格式化字符串中的占位符。
例如,下面的示例代码使用snprintf()函数将字符串"Hello world"存储到一个大小为10个字符的字符数组中:
#include <stdio.h>
int main() {
char str<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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