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Added macros __printflike() and __scanflike() to <sys/cdefs.h>.
Use them to `make gcc -Wformat' check formats for all printf-like and scanf-like functions in /usr/src except for the err()/warn() family. err() isn't quite printf-like since its format arg can legitimately be NULL. syslog() isn't quite printf-like, but gcc already accepts %m, even for plain printf() when it shouldn't.
This commit is contained in:
Bruce Evans
parent
eaaeb9f30c
commit
748993b899
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=37614
@ -34,7 +34,7 @@
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* SUCH DAMAGE.
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*
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* @(#)stdio.h 8.5 (Berkeley) 4/29/95
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* $Id: stdio.h,v 1.18 1998/06/14 16:04:20 bde Exp $
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* $Id: stdio.h,v 1.19 1998/07/08 00:52:40 peter Exp $
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*/
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#ifndef _STDIO_H_
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@ -293,7 +293,7 @@ __END_DECLS
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*/
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#if !defined (_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
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__BEGIN_DECLS
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int asprintf __P((char **, const char *, ...));
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int asprintf __P((char **, const char *, ...)) __printflike(2, 3);
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char *fgetln __P((FILE *, size_t *));
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int fpurge __P((FILE *));
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int getw __P((FILE *));
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@ -303,11 +303,14 @@ int putw __P((int, FILE *));
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void setbuffer __P((FILE *, char *, int));
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int setlinebuf __P((FILE *));
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char *tempnam __P((const char *, const char *));
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int snprintf __P((char *, size_t, const char *, ...));
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int vasprintf __P((char **, const char *, _BSD_VA_LIST_));
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int vsnprintf __P((char *, size_t, const char *, _BSD_VA_LIST_));
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int vscanf __P((const char *, _BSD_VA_LIST_));
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int vsscanf __P((const char *, const char *, _BSD_VA_LIST_));
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int snprintf __P((char *, size_t, const char *, ...)) __printflike(3, 4);
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int vasprintf __P((char **, const char *, _BSD_VA_LIST_))
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__printflike(2, 0);
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int vsnprintf __P((char *, size_t, const char *, _BSD_VA_LIST_))
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__printflike(3, 0);
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int vscanf __P((const char *, _BSD_VA_LIST_)) __scanflike(1, 0);
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int vsscanf __P((const char *, const char *, _BSD_VA_LIST_))
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__scanflike(2, 0);
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__END_DECLS
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/*
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@ -27,7 +27,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: ddb.h,v 1.18 1998/06/07 17:09:38 dfr Exp $
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* $Id: ddb.h,v 1.19 1998/07/08 09:11:40 bde Exp $
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*/
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/*
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@ -85,12 +85,12 @@ db_addr_t db_disasm __P((db_addr_t loc, boolean_t altfmt));
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void db_error __P((char *s));
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int db_expression __P((db_expr_t *valuep));
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int db_get_variable __P((db_expr_t *valuep));
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void db_iprintf __P((const char *,...));
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void db_iprintf __P((const char *,...)) __printflike(1, 2);
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struct vm_map *db_map_addr __P((vm_offset_t));
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boolean_t db_map_current __P((struct vm_map *));
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boolean_t db_map_equal __P((struct vm_map *, struct vm_map *));
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void db_print_loc_and_inst __P((db_addr_t loc));
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void db_printf __P((const char *fmt, ...));
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void db_printf __P((const char *fmt, ...)) __printflike(1, 2);
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void db_read_bytes __P((vm_offset_t addr, size_t size, char *data));
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/* machine-dependent */
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int db_readline __P((char *lstart, int lsize));
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@ -104,7 +104,6 @@ int db_value_of_name __P((char *name, db_expr_t *valuep));
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void db_write_bytes __P((vm_offset_t addr, size_t size, char *data));
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/* machine-dependent */
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void kdb_init __P((void));
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void kdbprintf __P((const char *fmt, ...));
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db_cmdfcn_t db_breakpoint_cmd;
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db_cmdfcn_t db_continue_cmd;
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@ -34,7 +34,7 @@
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* SUCH DAMAGE.
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*
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* @(#)cdefs.h 8.8 (Berkeley) 1/9/95
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* $Id: cdefs.h,v 1.17 1998/06/14 13:40:01 bde Exp $
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* $Id: cdefs.h,v 1.18 1998/06/18 18:35:04 peter Exp $
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*/
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#ifndef _SYS_CDEFS_H_
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@ -142,6 +142,16 @@
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#define __unused __attribute__((__unused__))
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#endif
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#if __GNUC__ < 2 || __GNUC__ == 2 && __GNUC_MINOR__ < 7
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#define __printflike(fmtarg, firstvararg)
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#define __scanflike(fmtarg, firstvararg)
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#else
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#define __printflike(fmtarg, firstvararg) \
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__attribute__((__format__ (__printf__, fmtarg, firstvararg)))
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#define __scanflike(fmtarg, firstvararg) \
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__attribute__((__format__ (__scanf__, fmtarg, firstvararg)))
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#endif
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#ifdef __GNUC__
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#ifdef __ELF__
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#ifdef __STDC__
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@ -23,7 +23,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: devfsext.h,v 1.19 1998/04/20 04:55:17 julian Exp $
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* $Id: devfsext.h,v 1.20 1998/04/28 00:10:52 julian Exp $
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*/
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#ifndef _SYS_DEVFSEXT_H_
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@ -35,14 +35,15 @@
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* and the initial default perms/ownerships.
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*/
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void *devfs_add_devswf __P((void *devsw, int minor, int chrblk, uid_t uid,
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gid_t gid, int perms, char *fmt, ...));
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gid_t gid, int perms, char *fmt, ...))
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__printflike(7, 8);
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/*
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* Make a link to a device you already made, and have the cookie for
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* We get another cookie, but for now, it can be discarded, as
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* at the moment there is nothing you can do with it that you couldn't do
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* with the original cookie. ( XXX this might be something I should change )
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*/
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void *devfs_link __P((void *original, char *fmt, ...));
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void *devfs_link __P((void *original, char *fmt, ...)) __printflike(2, 3);
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/*
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* Remove all instances of a device you have made. INCLUDING LINKS.
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@ -31,7 +31,7 @@
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* SUCH DAMAGE.
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*
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* @(#)syslog.h 8.1 (Berkeley) 6/2/93
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* $Id: syslog.h,v 1.14 1997/10/06 18:20:23 joerg Exp $
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* $Id: syslog.h,v 1.15 1997/10/06 20:37:01 joerg Exp $
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*/
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#ifndef _SYS_SYSLOG_H_
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@ -192,8 +192,8 @@ __BEGIN_DECLS
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void closelog __P((void));
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void openlog __P((const char *, int, int));
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int setlogmask __P((int));
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void syslog __P((int, const char *, ...));
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void vsyslog __P((int, const char *, _BSD_VA_LIST_));
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void syslog __P((int, const char *, ...)) __printflike(2, 3);
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void vsyslog __P((int, const char *, _BSD_VA_LIST_)) __printflike(2, 0);
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__END_DECLS
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#endif /* !KERNEL */
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@ -36,7 +36,7 @@
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* SUCH DAMAGE.
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*
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* @(#)systm.h 8.7 (Berkeley) 3/29/95
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* $Id: systm.h,v 1.71 1998/06/07 17:13:04 dfr Exp $
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* $Id: systm.h,v 1.72 1998/06/09 12:52:35 bde Exp $
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*/
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#ifndef _SYS_SYSTM_H_
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@ -96,21 +96,21 @@ int ureadc __P((int, struct uio *));
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void *hashinit __P((int count, struct malloc_type *type, u_long *hashmask));
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void *phashinit __P((int count, struct malloc_type *type, u_long *nentries));
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void panic __P((const char *, ...)) __dead2;
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void panic __P((const char *, ...)) __dead2 __printflike(1, 2);
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void cpu_boot __P((int));
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void cpu_rootconf __P((void));
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void cpu_dumpconf __P((void));
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void tablefull __P((const char *));
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int addlog __P((const char *, ...));
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int addlog __P((const char *, ...)) __printflike(1, 2);
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int kvprintf __P((char const *, void (*)(int, void*), void *, int,
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_BSD_VA_LIST_));
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void log __P((int, const char *, ...));
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_BSD_VA_LIST_)) __printflike(1, 0);
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void log __P((int, const char *, ...)) __printflike(2, 3);
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void logwakeup __P((void));
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int printf __P((const char *, ...));
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int sprintf __P((char *buf, const char *, ...));
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void uprintf __P((const char *, ...));
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void vprintf __P((const char *, _BSD_VA_LIST_));
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void ttyprintf __P((struct tty *, const char *, ...));
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int printf __P((const char *, ...)) __printflike(1, 2);
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int sprintf __P((char *buf, const char *, ...)) __printflike(2, 3);
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void uprintf __P((const char *, ...)) __printflike(1, 2);
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void vprintf __P((const char *, _BSD_VA_LIST_)) __printflike(1, 0);
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void ttyprintf __P((struct tty *, const char *, ...)) __printflike(2, 3);
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void bcopy __P((const void *from, void *to, size_t len));
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void ovbcopy __P((const void *from, void *to, size_t len));
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@ -31,7 +31,7 @@
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* SUCH DAMAGE.
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*
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* @(#)tprintf.h 8.1 (Berkeley) 6/2/93
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* $Id: tprintf.h,v 1.5 1997/02/22 09:46:12 peter Exp $
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* $Id: tprintf.h,v 1.6 1998/02/03 21:51:58 bde Exp $
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*/
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#ifndef _SYS_TPRINTF_H_
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@ -44,6 +44,6 @@ struct proc;
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tpr_t tprintf_open __P((struct proc *));
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void tprintf_close __P((tpr_t));
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void tprintf __P((tpr_t, const char *fmt, ...));
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void tprintf __P((tpr_t, const char *fmt, ...)) __printflike(2, 3);
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#endif
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