Added jims top and moved old files
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csmall
228
oldtop.h
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228
oldtop.h
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/*
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* top.h header file 1996/05/18,
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*
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* function prototypes, global data definitions and string constants.
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*/
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static proc_t** readproctab2(int flags, proc_t** tab, ...);
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static void parse_options(char *Options, int secure);
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static void get_options(void);
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static void error_end(int rno);
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static void end(int signo);
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static void stop(int signo);
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static void window_size(int signo);
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static int make_header(void);
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static char *getstr(void);
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static int getsig(void);
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static float getfloat(void);
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static int time_sort(proc_t **P, proc_t **Q);
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static int pcpu_sort(proc_t **P, proc_t **Q);
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static int mem_sort(proc_t **P, proc_t **Q);
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static int age_sort(proc_t **P, proc_t **Q);
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static void show_fields(void);
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static void change_order(void);
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static void change_fields(void);
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static void show_task_info(proc_t *task);
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static void show_procs(void);
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static float get_elapsed_time(void);
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static void show_meminfo(void);
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static void do_stats(proc_t** p, float elapsed_time, int pass);
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static void do_key(char c);
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/* configurable field display support */
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static int pflags[30];
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static int Numfields;
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/* Name of the config file (in $HOME) */
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#ifndef RCFILE
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#define RCFILE ".toprc"
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#endif
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#ifndef SYS_TOPRC
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#define SYS_TOPRC "/etc/toprc"
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#endif
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#define MAXLINES 2048
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#define MAXNAMELEN 1024
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/* this is what procps top does by default, so let's do this, if nothing is
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* specified
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*/
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#ifndef DEFAULT_SHOW
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/* 0 1 2 3 */
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/* 0123456789012345678901234567890 */
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#define DEFAULT_SHOW "AbcDgHIjklMnoTP|qrsuzyV{EFWX"
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#endif
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static char Fields[256] = "";
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/* This structure stores some critical information from one frame to
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the next. mostly used for sorting. Added cumulative and resident fields. */
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struct save_hist {
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int ticks;
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int pid;
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int pcpu;
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int utime;
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int stime;
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};
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/* The original terminal attributes. */
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static struct termios Savetty;
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/* The new terminal attributes. */
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static struct termios Rawtty;
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/* Cached termcap entries. */
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static char *cm, *cl, *top_clrtobot, *top_clrtoeol, *ho, *md, *me, *mr;
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/* Current window size. Note that it is legal to set Display_procs
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larger than can fit; if the window is later resized, all will be ok.
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In other words: Display_procs is the specified max number of
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processes to display (zero for infinite), and Maxlines is the actual
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number. */
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static int Lines, Cols, Maxlines, Display_procs;
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/* Maximum length to display of the command line of a process. */
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static unsigned Maxcmd;
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/* Controls how long we sleep between screen updates. Accurate to
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microseconds. */
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static float Sleeptime = 5;
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/* for opening/closing the system map */
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static int psdbsucc = 0;
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/* Mode flags. */
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static int Irixmode = 1;
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static int Secure = 0;
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static int Cumulative = 0;
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static int Noidle = 0;
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static int CPU_states = 0;
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static char CurrUser[BUFSIZ];
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static int CL_pg_shift = (PAGE_SHIFT - 10);
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static int CL_wchan_nout = -1;
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static int show_stats = 1; /* show status summary */
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static int show_memory = 1; /* show memory summary */
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static int show_loadav = 1; /* show load average and uptime */
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static int show_cmd = 1; /* show command name instead of commandline */
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static pid_t monpids[520]; /* randomly chosen value */
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static const int monpids_max = sizeof(monpids)/sizeof(pid_t);
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static int monpids_index = 0;
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static int Loops = -1; /* number of iterations. -1 loops forever */
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static int Batch = 0; /* batch mode. Collect no input, dumb output */
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/* sorting order: cpu%, mem, time (cumulative, if in cumulative mode) */
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enum {
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S_PCPU, S_MEM, S_TIME, S_AGE, S_NONE
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};
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/* default sorting by CPU% */
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static int sort_type = S_PCPU;
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/* flags for each possible field. At the moment up to 30 are supported */
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enum {
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P_PID, P_PPID, P_EUID, P_EUSER,
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P_PCPU, P_PMEM, P_TTY, P_PRI,
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P_NICE, P_PAGEIN, P_TSIZ, P_DSIZ,
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P_SIZE, P_TRS, P_SWAP, P_SHARE,
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P_A, P_WP, P_DT, P_RSS,
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P_WCHAN, P_STAT, P_TIME, P_COMMAND,
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P_LCPU, P_FLAGS, P_END
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};
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/* corresponding headers */
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static char *headers[] =
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{
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" PID ", " PPID ", " UID ",
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"USER ", "%CPU ", "%MEM ",
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"TTY ", "PRI ", " NI ",
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"PAGEIN ", "TSIZE ", "DSIZE ",
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" SIZE ", " TRS ", "SWAP ",
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"SHARE ", " A ", " WP ",
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" D ", " RSS ", "WCHAN ",
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"STAT ", " TIME ", "COMMAND",
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"LC ",
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" FLAGS "
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};
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/* corresponding field desciptions */
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static char *headers2[] =
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{
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"Process Id", "Parent Process Id", "User Id",
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"User Name", "CPU Usage", "Memory Usage",
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"Controlling tty", "Priority", "Nice Value",
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"Page Fault Count", "Code Size (kb)", "Data+Stack Size (kb)",
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"Virtual Image Size (kb)", "Resident Text Size (kb)", "Swapped kb",
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"Shared Pages (kb)", "Accessed Page count", "Write Protected Pages",
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"Dirty Pages", "Resident Set Size (kb)", "Sleeping in Function",
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"Process Status", "CPU Time", "Command",
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"Last used CPU (expect this to change regularly)",
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"Task Flags (see linux/sched.h)"
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};
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/* The header printed at the top of the process list.*/
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static char Header[MAXLINES];
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/* The response to the interactive 'h' command. */
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#define HELP_SCREEN "\
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Interactive commands are:\n\
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\n\
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space\tUpdate display\n\
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^L\tRedraw the screen\n\
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fF\tadd and remove fields\n\
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oO\tChange order of displayed fields\n\
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h or ?\tPrint this list\n\
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S\tToggle cumulative mode\n\
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i\tToggle display of idle proceses\n\
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I\tToggle between Irix and Solaris views (SMP-only)\n\
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c\tToggle display of command name/line\n\
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l\tToggle display of load average\n\
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m\tToggle display of memory information\n\
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t\tToggle display of summary information\n\
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k\tKill a task (with any signal)\n\
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r\tRenice a task\n\
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N\tSort by pid (Numerically)\n\
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A\tSort by age\n\
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P\tSort by CPU usage\n\
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M\tSort by resident memory usage\n\
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T\tSort by time / cumulative time\n\
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u\tShow only a specific user\n\
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n or #\tSet the number of process to show\n\
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s\tSet the delay in seconds between updates\n\
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W\tWrite configuration file ~/.toprc\n\
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q\tQuit"
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#define SECURE_HELP_SCREEN "\
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Interactive commands available in secure mode are:\n\
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\n\
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space\tUpdate display\n\
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^L\tRedraw the screen\n\
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fF\tadd and remove fields\n\
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h or ?\tPrint this list\n\
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S\tToggle cumulative mode\n\
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i\tToggle display of idle proceses\n\
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c\tToggle display of command name/line\n\
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l\tToggle display of load average\n\
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m\tToggle display of memory information\n\
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t\tToggle display of summary information\n\
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n or #\tSet the number of process to show\n\
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u\tShow only a specific user\n\
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oO\tChange order of displayed fields\n\
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W\tWrite configuration file ~/.toprc\n\
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q\tQuit"
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/* Number of lines needed to display the header information. */
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static int header_lines;
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/* ############## Some Macro definitions for screen handling ######### */
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/* String to use in error messages. */
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#define PROGNAME "top"
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/* Clear the screen. */
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#define clear_screen() \
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printf("%s", cl)
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/* Show an error in the context of the spiffy full-screen display. */
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#define SHOWMESSAGE(x) do { \
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printf("%s%s%s%s", tgoto(cm, 0, header_lines-2), top_clrtoeol,md,mr); \
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printf x; \
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printf ("%s",me); \
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fflush(stdout); \
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sleep(2); \
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} while (0)
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