1 #include <u.h> 2 #include <libc.h> 3 #include <bio.h> 4 5 int 6 Bputrune(Biobufhdr *bp, long c) 7 { 8 Rune rune; 9 char str[4]; 10 int n; 11 12 rune = c; 13 if(rune < Runeself) { 14 Bputc(bp, rune); 15 return 1; 16 } 17 n = runetochar(str, &rune); 18 if(n == 0) 19 return Bbad; 20 if(Bwrite(bp, str, n) != n) 21 return Beof; 22 return n; 23 } 24