github.com/afumu/libc@v0.0.6/musl/src/stdio/setbuf.c (about)

     1  #include <stdio.h>
     2  
     3  void setbuf(FILE *restrict f, char *restrict buf)
     4  {
     5  	setvbuf(f, buf, buf ? _IOFBF : _IONBF, BUFSIZ);
     6  }