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strncpy and snprintf
Fri, 19-Sep-2025 12:00:55
program
c/c++
edit
strncpy 复制n个字符,n+1后面不会帮你填0(buf[n]是原来的值)
snprintf 第n个填0 ,也就是buf[n-1] = '',返回只是实际字符串的长度。
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