1) Staticise.
2) Remove registers. 3) Change some ints to size_t which are used with fread/fwrite.
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@ -60,17 +60,17 @@ static const char rcsid[] =
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* Bill Joy UCB August 24, 1977
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*/
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void head(FILE *, int);
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void head_bytes(FILE *, int);
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void obsolete(char *[]);
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void usage(void);
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static void head(FILE *, int);
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static void head_bytes(FILE *, size_t);
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static void obsolete(char *[]);
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static void usage(void);
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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register int ch;
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int ch;
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FILE *fp;
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int first, linecnt = -1, bytecnt = -1, eval = 0;
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char *ep;
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@ -125,13 +125,13 @@ main(argc, argv)
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exit(eval);
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}
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void
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static void
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head(fp, cnt)
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FILE *fp;
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register int cnt;
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int cnt;
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{
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char *cp;
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int error, readlen;
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size_t error, readlen;
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while (cnt && (cp = fgetln(fp, &readlen)) != NULL) {
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error = fwrite(cp, sizeof(char), readlen, stdout);
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@ -141,13 +141,13 @@ head(fp, cnt)
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}
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}
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void
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static void
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head_bytes(fp, cnt)
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FILE *fp;
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register int cnt;
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size_t cnt;
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{
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char buf[4096];
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register int readlen;
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size_t readlen;
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while (cnt) {
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if (cnt < sizeof(buf))
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@ -163,7 +163,7 @@ head_bytes(fp, cnt)
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}
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}
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void
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static void
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obsolete(argv)
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char *argv[];
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{
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@ -182,7 +182,7 @@ obsolete(argv)
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}
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}
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void
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static void
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usage()
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{
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