ref: 4c00c4e8204f98a5859ef6c0bfe8d2e4d6f168d2 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; }