1 #include <u.h> 2 #include <libc.h> 3 4 Rune* runestrchr(Rune * s,Rune c)5 runestrchr(Rune *s, Rune c) 6 { 7 Rune c0 = c; 8 Rune c1; 9 10 if(c == 0) { 11 while(*s++) 12 ; 13 return s-1; 14 } 15 16 while(c1 = *s++) 17 if(c1 == c0) 18 return s-1; 19 return 0; 20 } 21