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fmt_strn.c (227B)

      1 #include "fmt.h"
      2 
      3 unsigned int fmt_strn(char *s, char *t, unsigned int n)
      4 {
      5   unsigned int len;
      6   char ch;
      7   len = 0;
      8   if (s) { while (n-- && (ch = t[len])) s[len++] = ch; }
      9   else while (n-- && t[len]) len++;
     10   return len;
     11 }