ref: 27598a9c874c115795a3d59de093f8f158a73d87
dir: /lib9/runestrchr.c/
#include "lib9.h"
Rune*
runestrchr(Rune *s, Rune c)
{
Rune c0 = c;
Rune c1;
if(c == 0) {
while(*s++)
;
return s-1;
}
while(c1 = *s++)
if(c1 == c0)
return s-1;
return 0;
}