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"Keil C51 is very good" strncpy can Get sub str from Left. I want to get "very good". Is there a function "strrncpy" to uses ?
Look in the Keil include file "string.h" It will list all the string functions inculuded.
If you want the n rightmost bytes of a string, it's easy to code yourself on top of the existing ANSI C string functions.
char* strrncpy (char* dst, const char* src, int n) { return strncpy (dst, src + strlen(src) - n, n); } // strrncpy