Fix 80 typos in comments

(cherry picked from commit 7dca902a85dc02e5df66f0f45a00d1575e7a0220)

src/cmd/ksh93/include/defs.h

@@ -102,7 +102,7 @@ struct limits
 	long		arg_max;	/* max arg+env exec() size */
 	int		open_max;	/* maximum number of file descriptors */
 	int		clk_tck;	/* number of ticks per second */
-	int		child_max;	/* maxumum number of children */
+	int		child_max;	/* maximum number of children */
 	int		ngroups_max;	/* maximum number of process groups */
 	unsigned char	posix_version;	/* posix version number */
 	unsigned char	posix_jobcontrol;/* non-zero for job control systems */
@@ -146,7 +146,7 @@ struct shared
 #define _SH_PRIVATE \
 	struct shared	*gd;		/* global data */ \
 	struct sh_scoped st;		/* scoped information */ \
-	Stk_t		*stk;		/* stack poiter */ \
+	Stk_t		*stk;		/* stack pointer */ \
 	Sfio_t		*heredocs;	/* current here-doc temp file */ \
 	Sfio_t		*funlog;	/* for logging function definitions */ \
 	int		**fdptrs;	/* pointer to file numbers */ \
@@ -160,7 +160,7 @@ struct shared
 	Namval_t	*namespace;	/* current active namespace*/ \
 	Namval_t	*last_table;	/* last table used in last nv_open  */ \
 	Namval_t	*prev_table;	/* previous table used in nv_open  */ \
-	Sfio_t		*outpool;	/* ouput stream pool */ \
+	Sfio_t		*outpool;	/* output stream pool */ \
 	long		timeout;	/* read timeout */ \
 	short		curenv;		/* current subshell number */ \
 	short		jobenv;		/* subshell number for jobs */ \

src/cmd/ksh93/include/edit.h

@@ -262,8 +262,8 @@ extern const char	e_runvi[];
 #define HIST_QUESTION	0x2	/* question mark event designator */
 #define	HIST_HASH	0x4	/* hash event designator */
 #define HIST_WORDDSGN	0x8	/* word designator seen */
-#define HIST_QUICKSUBST	0x10	/* quick substition designator seen */
-#define HIST_SUBSTITUTE	0x20	/* for substition loop */
+#define HIST_QUICKSUBST	0x10	/* quick substitution designator seen */
+#define HIST_SUBSTITUTE	0x20	/* for substitution loop */
 #define	HIST_NEWLINE	0x40	/* newline in squashed white space */
 
 /* modifier flags */
@@ -271,9 +271,9 @@ extern const char	e_runvi[];
 #define	HIST_PRINT		0x100	/* print new command */
 #define	HIST_QUOTE		0x200	/* quote resulting history line */
 #define	HIST_QUOTE_BR		0x400	/* quote every word on space break */
-#define	HIST_GLOBALSUBST	0x800	/* apply substition globally */
+#define	HIST_GLOBALSUBST	0x800	/* apply substitution globally */
 
-#define	HIST_ERROR		0x1000	/* an error ocurred */
+#define	HIST_ERROR		0x1000	/* an error occurred */
 
 /* flags to be returned */
 

src/cmd/ksh93/include/env.h

@@ -32,7 +32,7 @@
 /* for use with env_open */
 #define ENV_STABLE	(-1)
 
-/* for third agument to env_add */
+/* for third argument to env_add */
 #define ENV_MALLOCED	1
 #define ENV_STRDUP	2
 

src/cmd/ksh93/include/fault.h

@@ -59,7 +59,7 @@ typedef void (*SH_SIGTYPE)(int,void(*)(int));
 #define SH_SIGSET		4	/* pending signal */
 #define SH_SIGTRAP		010	/* pending trap */
 #define SH_SIGDONE		020	/* default is exit */
-#define SH_SIGIGNORE		040	/* default is ingore signal */
+#define SH_SIGIGNORE		040	/* default is ignore signal */
 #define SH_SIGINTERACTIVE	0100	/* handle interactive specially */
 #define SH_SIGTSTP		0200	/* tstp signal received */
 #define SH_SIGALRM		0200	/* timer alarm received */

src/cmd/ksh93/include/jobs.h

@@ -113,7 +113,7 @@ struct jobs
 	short		fd;		/* tty descriptor number */
 #ifdef JOBS
 	int		suspend;	/* suspend character */
-	int		linedisc;	/* line dicipline */
+	int		linedisc;	/* line discipline */
 #endif /* JOBS */
 	char		jobcontrol;	/* turned on for real job control */
 	char		waitsafe;	/* wait will not block */

src/cmd/ksh93/include/lexstates.h

@@ -62,7 +62,7 @@
 #define S_QUOTE	37	/* double quote character */
 #define S_GRAVE	38	/* old comsub character */
 #define S_ESC	39	/* escape character */
-#define S_DOL	40	/* $ subsitution character */
+#define S_DOL	40	/* $ substitution character */
 #define S_ESC2	41	/* escape character inside '...' */
 
 /* These are the lexical state table names */

src/cmd/ksh93/include/name.h

@@ -138,7 +138,7 @@ struct Ufunction
 #define NV_NOEXPAND	NV_RJUST		/* do not expand alias */
 #define NV_BLTIN	(NV_NOPRINT|NV_EXPORT)
 #define BLT_ENV		(NV_RDONLY)		/* non-stoppable,
-						 * can modify enviornment */
+						 * can modify environment */
 #define BLT_SPC		(NV_LJUST)		/* special built-ins */
 #define BLT_EXIT	(NV_RJUST)		/* exit value can be > 255 */
 #define BLT_DCL		(NV_TAGGED)		/* declaration command */

src/cmd/ksh93/include/shell.h

@@ -143,7 +143,7 @@ struct Shell_s
 	int		inlineno;	/* line number of current input file */
 	int		exitval;	/* most recent exit value */
 	unsigned char	trapnote;	/* set when trap/signal is pending */
-	char		shcomp;		/* set when runing shcomp */
+	char		shcomp;		/* set when running shcomp */
 	short		subshell;	/* set for virtual subshell */
 #ifdef _SH_PRIVATE
 	_SH_PRIVATE

src/cmd/ksh93/include/terminal.h

@@ -151,7 +151,7 @@
 #   endif /* TCSANOW */
 #endif /* _hdr_termios */
 
-/* set ECHOCTL if driver can echo control charaters as ^c */
+/* set ECHOCTL if driver can echo control characters as ^c */
 #ifdef LCTLECH
 #   ifndef ECHOCTL
 #	define ECHOCTL	LCTLECH