ref: 9cdf8d4b4c9ecf24e8e065fdbf9a6aea48d5f4af 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; }