ref: 2b9e16f9e9a4f8b06d778d5de834a30ac96fbd53 dir: /lib/c/putc.c/
#include <stdio.h> #undef putc int putc(int ch, FILE *fp) { return (fp->wp >= fp->rp) ? __putc(c,fp) : *fp->wp++ = c; }