scc

simple c99 compiler
git clone git://git.simple-cc.org/scc
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getc.c (109B)

      1 #include <stdio.h>
      2 
      3 #undef getc
      4 
      5 int
      6 getc(FILE *fp)
      7 {
      8 	return (fp->rp >= fp->wp) ? __getc(fp) : *fp->rp++;
      9 }