zircon/third_party/ulib/musl/src/stdio/setbuf.c - fuchsia - Git at Google

 #include <stdio.h>

 void setbuf(FILE* restrict f, char* restrict buf) {
   setvbuf(f, buf, buf ? _IOFBF : _IONBF, BUFSIZ);
 }
	#include <stdio.h>

	void setbuf(FILE* restrict f, char* restrict buf) {
	setvbuf(f, buf, buf ? _IOFBF : _IONBF, BUFSIZ);
	}