make local functions and variables static
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										36
									
								
								std.c
									
									
									
									
									
								
							
							
						
						
									
										36
									
								
								std.c
									
									
									
									
									
								
							@ -14,18 +14,18 @@
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#define MAX(a,b)	(((a) > (b)) ? (a) : (b))
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					#define MAX(a,b)	(((a) > (b)) ? (a) : (b))
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#define MIN(a,b)	(((a) < (b)) ? (a) : (b))
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					#define MIN(a,b)	(((a) < (b)) ? (a) : (b))
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void buffer(char c);
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					static void buffer(char c);
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void cmd(const char *cmdstr, ...);
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					static void cmd(const char *cmdstr, ...);
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int getch();
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					static int getch();
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void getpty(void);
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					void getpty(void);
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void movea(int x, int y);
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					static void movea(int x, int y);
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void mover(int x, int y);
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					static void mover(int x, int y);
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void parseesc(void);
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					static void parseesc(void);
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void scroll(int l);
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					static void scroll(int l);
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void shell(void);
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					static void shell(void);
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void sigchld(int n);
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					static void sigchld(int n);
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char unbuffer(void);
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					static char unbuffer(void);
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void ungetch(int c);
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					static void ungetch(int c);
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typedef struct {
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					typedef struct {
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	unsigned char data[BUFSIZ];
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						unsigned char data[BUFSIZ];
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@ -38,14 +38,14 @@ typedef struct {
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	int i, n;
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						int i, n;
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} ReadBuffer;
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					} ReadBuffer;
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int cols = 80, lines = 25;
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					static int cols = 80, lines = 25;
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int cx = 0, cy = 0;
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					static int cx = 0, cy = 0;
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int c;
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					static int c;
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int ptm, pts;
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					int ptm, pts;
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_Bool bold, digit, qmark;
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					static _Bool bold, digit, qmark;
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pid_t pid;
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					static pid_t pid;
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RingBuffer buf;
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					static RingBuffer buf;
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ReadBuffer rbuf;
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					static ReadBuffer rbuf;
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void
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					void
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buffer(char c) {
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					buffer(char c) {
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