add joseph stack

joseph/loop_list.c

@@ -0,0 +1,99 @@
+/*
+ * @Author: your name
+ * @Date: 2021-06-20 17:11:37
+ * @LastEditTime: 2021-06-20 19:21:51
+ * @LastEditors: Please set LastEditors
+ * @Description: In User Settings Edit
+ * @FilePath: \slist\slist.c
+ */
+#include "loop_list.h"
+#include "stdlib.h"
+#include "stdio.h"
+
+
+pkt_node_t pkt_creat_joseph(void)
+{
+    pkt_node_t p, r, h;
+
+    p = (pkt_node_t)malloc(sizeof(struct pkt_node));
+    p->next = p;
+    p->data = 1;
+    h = p;
+    int n, i;
+loop:
+    printf("input a number:");
+    scanf("%d", &n);
+
+    if (n < 0)
+    {
+        printf("input error < 0\n");
+        goto loop;
+    }
+    r = h;
+    for (i = 2; i <= n; i++)
+    {
+        p = (pkt_node_t)malloc(sizeof(struct pkt_node));
+        p->data = i;
+        r->next = p;
+        r = p; /* r ponit list tail */
+    }
+    p->next = h; /* tail node ponit head node */
+    return h;
+}
+
+int pkt_show_list(pkt_node_t l)
+{
+    pkt_node_t p = l;
+    int i = 0;
+    while (p->next != l)
+    {
+        printf("l[%d] = %d\n", i, p->data);
+        p = p->next;
+        i++;
+    }
+    printf("l[%d] = %d\n", i, p->data);
+
+    return 0;
+}
+
+int pkt_joseph(pkt_node_t l, int k, int m)
+{
+    PKT_ASSERT(l);
+    pkt_node_t p = l;
+    while (p->next->data != k)
+    {
+        p = p->next; /* find k node prev node*/
+    }
+    printf("l[k] = %d\n", p->next->data);
+
+    pkt_node_t r = p;
+    pkt_node_t q;
+    int i;
+    while (r->next != r)
+    {
+        for (i = 0; i < m - 1; i++) /* find next del node prev node */
+        {
+            r = r->next; 
+        }
+        q = r->next; /* save delete node to q */
+        r->next = q->next;
+        printf("del = %d\n", q->data);
+        free(q); 
+    }
+
+    printf("del = %d\n", r->data); /* last node */
+    free(r); 
+    return 0;
+}
+
+int main(int argc, char **argv)
+{
+    pkt_node_t list;
+
+    list = pkt_creat_joseph();
+    pkt_show_list(list);   
+    
+    pkt_joseph(list, 3, 4);
+
+    return 0;
+}

joseph/loop_list.h

@@ -0,0 +1,24 @@
+/*
+ * @Author: your name
+ * @Date: 2021-06-20 17:11:26
+ * @LastEditTime: 2021-06-20 18:05:33
+ * @LastEditors: Please set LastEditors
+ * @Description: In User Settings Edit
+ * @FilePath: \slist\slist.h
+ */
+#ifndef _SLIST_H_
+#define _SLIST_H_
+
+#define PKT_ASSERT(x) {if ((x) == NULL) {printf("%s %d: assert failed!", __FUNCTION__, __LINE__); while(1);}}
+typedef int data_type;
+
+typedef struct pkt_node *pkt_node_t;
+
+struct pkt_node
+{
+    pkt_node_t next;
+    data_type data;
+};
+
+
+#endif

joseph/makefile

@@ -0,0 +1,7 @@
+CFLAGS = -Wall
+
+loop_list : loop_list.o
+
+.PHONY: clean
+clean:
+	rm loop_list.o loop_list

joseph/se.vpj

@@ -0,0 +1,294 @@
+<!DOCTYPE Project SYSTEM "http://www.slickedit.com/dtd/vse/10.0/vpj.dtd">
+<Project
+    Version="10.0"
+    VendorName="SlickEdit"
+    TemplateName="GNU C/C++"
+    WorkingDir="."
+    BuildSystem="vsbuild">
+    <Config
+        Name="Debug"
+        Type="gnuc"
+        DebugCallbackName="gdb"
+        Version="1"
+        OutputFile="%bdse.exe"
+        CompilerConfigName="Latest Version">
+        <Menu>
+            <Target
+                Name="Compile"
+                MenuCaption="&amp;Compile"
+                Dialog="_gnuc_options_form Compile"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                OutputExts="*.o"
+                SaveOption="SaveCurrent"
+                RunFromDir="%rw">
+                <Exec CmdLine='gcc -c %xup  %defd -g -o "%bd%n%oe" %i "%f"'/>
+            </Target>
+            <Target
+                Name="Link"
+                MenuCaption="&amp;Link"
+                ShowOnMenu="Never"
+                Dialog="_gnuc_options_form Link"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveCurrent"
+                RunFromDir="%rw">
+                <Exec CmdLine='gcc %xup -g -o "%o" %f %libs'/>
+            </Target>
+            <Target
+                Name="Build"
+                MenuCaption="&amp;Build"
+                Dialog="_gnuc_options_form Compile"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveWorkspaceFiles"
+                RunFromDir="%rw">
+                <Exec CmdLine='"%(VSLICKBIN1)vsbuild" "%w" "%r" -t build'/>
+            </Target>
+            <Target
+                Name="Rebuild"
+                MenuCaption="&amp;Rebuild"
+                Dialog="_gnuc_options_form Compile"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveWorkspaceFiles"
+                RunFromDir="%rw">
+                <Exec CmdLine='"%(VSLICKBIN1)vsbuild" "%w" "%r" -t rebuild'/>
+            </Target>
+            <Target
+                Name="Debug"
+                MenuCaption="&amp;Debug"
+                Dialog="_gnuc_options_form Run/Debug"
+                BuildFirst="1"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveNone"
+                RunFromDir="%rw">
+                <Exec CmdLine='vsdebugio -prog "%o"'/>
+            </Target>
+            <Target
+                Name="Execute"
+                MenuCaption="E&amp;xecute"
+                Dialog="_gnuc_options_form Run/Debug"
+                BuildFirst="1"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveWorkspaceFiles"
+                RunFromDir="%rw">
+                <Exec CmdLine='"%o"'/>
+            </Target>
+            <Target
+                Name="dash"
+                MenuCaption="-"
+                Deletable="0">
+                <Exec/>
+            </Target>
+            <Target
+                Name="GNU C Options"
+                MenuCaption="GNU C &amp;Options..."
+                ShowOnMenu="HideIfNoCmdLine"
+                Deletable="0"
+                SaveOption="SaveNone">
+                <Exec
+                    CmdLine="gnucoptions"
+                    Type="Slick-C"/>
+            </Target>
+        </Menu>
+        <Rules Name="Compile">
+            <Rule
+                InputExts="*.ada"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gnat -g -c -o "%bd%n.o" "%f"'/>
+            </Rule>
+            <Rule
+                InputExts="*.adb"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gnat -g -c -o "%bd%n.o" "%f"'/>
+            </Rule>
+            <Rule
+                InputExts="*.f"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gfortran -c -g -o "%bd%n.o" "%f"'/>
+            </Rule>
+            <Rule
+                InputExts="*.f90"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gfortran -c -g -o "%bd%n.o" "%f"'/>
+            </Rule>
+            <Rule
+                InputExts="*.d"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gdc -c -g -o "%bd%n.o" "%f"'/>
+            </Rule>
+        </Rules>
+        <List Name="GNUC Options">
+            <Item
+                Name="LinkerOutputType"
+                Value="Executable"/>
+        </List>
+    </Config>
+    <Config
+        Name="Release"
+        Type="gnuc"
+        DebugCallbackName="gdb"
+        Version="1"
+        OutputFile="%bdse.exe"
+        CompilerConfigName="Latest Version">
+        <Menu>
+            <Target
+                Name="Compile"
+                MenuCaption="&amp;Compile"
+                Dialog="_gnuc_options_form Compile"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                OutputExts="*.o"
+                SaveOption="SaveCurrent"
+                RunFromDir="%rw">
+                <Exec CmdLine='gcc -c %xup %defd -o "%bd%n%oe" %i "%f"'/>
+            </Target>
+            <Target
+                Name="Link"
+                MenuCaption="&amp;Link"
+                ShowOnMenu="Never"
+                Dialog="_gnuc_options_form Link"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveCurrent"
+                RunFromDir="%rw">
+                <Exec CmdLine='gcc %xup -o "%o" %f %libs'/>
+            </Target>
+            <Target
+                Name="Build"
+                MenuCaption="&amp;Build"
+                Dialog="_gnuc_options_form Compile"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveWorkspaceFiles"
+                RunFromDir="%rw">
+                <Exec CmdLine='"%(VSLICKBIN1)vsbuild" "%w" "%r" -t build'/>
+            </Target>
+            <Target
+                Name="Rebuild"
+                MenuCaption="&amp;Rebuild"
+                Dialog="_gnuc_options_form Compile"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveWorkspaceFiles"
+                RunFromDir="%rw">
+                <Exec CmdLine='"%(VSLICKBIN1)vsbuild" "%w" "%r" -t rebuild'/>
+            </Target>
+            <Target
+                Name="Debug"
+                MenuCaption="&amp;Debug"
+                Dialog="_gnuc_options_form Run/Debug"
+                BuildFirst="1"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveNone"
+                RunFromDir="%rw">
+                <Exec CmdLine='vsdebugio -prog "%o"'/>
+            </Target>
+            <Target
+                Name="Execute"
+                MenuCaption="E&amp;xecute"
+                Dialog="_gnuc_options_form Run/Debug"
+                BuildFirst="1"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveWorkspaceFiles"
+                RunFromDir="%rw">
+                <Exec CmdLine='"%o"'/>
+            </Target>
+            <Target
+                Name="dash"
+                MenuCaption="-"
+                Deletable="0">
+                <Exec/>
+            </Target>
+            <Target
+                Name="GNU C Options"
+                MenuCaption="GNU C &amp;Options..."
+                ShowOnMenu="HideIfNoCmdLine"
+                Deletable="0"
+                SaveOption="SaveNone">
+                <Exec
+                    CmdLine="gnucoptions"
+                    Type="Slick-C"/>
+            </Target>
+        </Menu>
+        <Rules Name="Compile">
+            <Rule
+                InputExts="*.ada"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gnat -O -c -o "%bd%n.o" "%f"'/>
+            </Rule>
+            <Rule
+                InputExts="*.adb"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gnat -O -c -o "%bd%n.o" "%f"'/>
+            </Rule>
+            <Rule
+                InputExts="*.f"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gfortran -O -g -o "%bd%n.o" "%f"'/>
+            </Rule>
+            <Rule
+                InputExts="*.f90"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gfortran -O -g -o "%bd%n.o" "%f"'/>
+            </Rule>
+            <Rule
+                InputExts="*.d"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gdc -c -g -o "%bd%n.o" "%f"'/>
+            </Rule>
+        </Rules>
+        <List Name="GNUC Options">
+            <Item
+                Name="LinkerOutputType"
+                Value="Executable"/>
+        </List>
+    </Config>
+    <Files>
+        <Folder
+            Name="Source Files"
+            Filters="*.c;*.C;*.cc;*.cpp;*.cp;*.cxx;*.c++;*.prg;*.pas;*.dpr;*.asm;*.s;*.bas;*.java;*.cs;*.sc;*.scala;*.e;*.cob;*.html;*.rc;*.tcl;*.py;*.pl;*.d;*.m;*.mm;*.go;*.groovy;*.gsh"
+            GUID="{6B3FDE78-FA03-4216-85B8-543EFAA0BE9C}">
+            <F N="loop_list.c"/>
+        </Folder>
+        <Folder
+            Name="Header Files"
+            Filters="*.h;*.H;*.hh;*.hpp;*.hxx;*.h++;*.inc;*.sh;*.cpy;*.if"
+            GUID="{EF514C62-5C71-40A7-AA1A-11EDA137B4E8}">
+            <F N="loop_list.h"/>
+        </Folder>
+        <Folder
+            Name="Resource Files"
+            Filters="*.ico;*.cur;*.dlg"
+            GUID="{411AD679-05E3-4E91-A3FF-6D9FCEA45C1D}"/>
+        <Folder
+            Name="Bitmaps"
+            Filters="*.bmp"
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+        <Folder
+            Name="Other Files"
+            Filters=""
+            GUID="{54F32A35-5615-41DC-B0DE-B5F40D93E74F}">
+            <F
+                N="makefile"
+                Type="Makefile"/>
+        </Folder>
+    </Files>
+    <List Name="RTE">
+    </List>
+</Project>

joseph/se.vpw

@@ -0,0 +1,6 @@
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+<Workspace Version="10.0" VendorName="SlickEdit">
+    <Projects>
+        <Project File="se.vpj"/>
+    </Projects>
+</Workspace>

joseph/se.vpwhist

@@ -0,0 +1,222 @@
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+..\..\looplist\loop_list.h
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stack/makefile

@@ -0,0 +1,7 @@
+CFLAGS = -Wall
+
+sqstack: sqstack.o
+
+.PHONY clean:
+clean:
+	rm sqstack sqstack.o

stack/se.vpj

@@ -0,0 +1,294 @@
+<!DOCTYPE Project SYSTEM "http://www.slickedit.com/dtd/vse/10.0/vpj.dtd">
+<Project
+    Version="10.0"
+    VendorName="SlickEdit"
+    TemplateName="GNU C/C++"
+    WorkingDir="."
+    BuildSystem="vsbuild">
+    <Config
+        Name="Debug"
+        Type="gnuc"
+        DebugCallbackName="gdb"
+        Version="1"
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+                Name="Compile"
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+                Dialog="_gnuc_options_form Compile"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                OutputExts="*.o"
+                SaveOption="SaveCurrent"
+                RunFromDir="%rw">
+                <Exec CmdLine='gcc -c %xup  %defd -g -o "%bd%n%oe" %i "%f"'/>
+            </Target>
+            <Target
+                Name="Link"
+                MenuCaption="&amp;Link"
+                ShowOnMenu="Never"
+                Dialog="_gnuc_options_form Link"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveCurrent"
+                RunFromDir="%rw">
+                <Exec CmdLine='gcc %xup -g -o "%o" %f %libs'/>
+            </Target>
+            <Target
+                Name="Build"
+                MenuCaption="&amp;Build"
+                Dialog="_gnuc_options_form Compile"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveWorkspaceFiles"
+                RunFromDir="%rw">
+                <Exec CmdLine='"%(VSLICKBIN1)vsbuild" "%w" "%r" -t build'/>
+            </Target>
+            <Target
+                Name="Rebuild"
+                MenuCaption="&amp;Rebuild"
+                Dialog="_gnuc_options_form Compile"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveWorkspaceFiles"
+                RunFromDir="%rw">
+                <Exec CmdLine='"%(VSLICKBIN1)vsbuild" "%w" "%r" -t rebuild'/>
+            </Target>
+            <Target
+                Name="Debug"
+                MenuCaption="&amp;Debug"
+                Dialog="_gnuc_options_form Run/Debug"
+                BuildFirst="1"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveNone"
+                RunFromDir="%rw">
+                <Exec CmdLine='vsdebugio -prog "%o"'/>
+            </Target>
+            <Target
+                Name="Execute"
+                MenuCaption="E&amp;xecute"
+                Dialog="_gnuc_options_form Run/Debug"
+                BuildFirst="1"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveWorkspaceFiles"
+                RunFromDir="%rw">
+                <Exec CmdLine='"%o"'/>
+            </Target>
+            <Target
+                Name="dash"
+                MenuCaption="-"
+                Deletable="0">
+                <Exec/>
+            </Target>
+            <Target
+                Name="GNU C Options"
+                MenuCaption="GNU C &amp;Options..."
+                ShowOnMenu="HideIfNoCmdLine"
+                Deletable="0"
+                SaveOption="SaveNone">
+                <Exec
+                    CmdLine="gnucoptions"
+                    Type="Slick-C"/>
+            </Target>
+        </Menu>
+        <Rules Name="Compile">
+            <Rule
+                InputExts="*.ada"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gnat -g -c -o "%bd%n.o" "%f"'/>
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+                InputExts="*.adb"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gnat -g -c -o "%bd%n.o" "%f"'/>
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+                InputExts="*.f"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gfortran -c -g -o "%bd%n.o" "%f"'/>
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+                LinkObject="1">
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+                InputExts="*.d"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gdc -c -g -o "%bd%n.o" "%f"'/>
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+        </Rules>
+        <List Name="GNUC Options">
+            <Item
+                Name="LinkerOutputType"
+                Value="Executable"/>
+        </List>
+    </Config>
+    <Config
+        Name="Release"
+        Type="gnuc"
+        DebugCallbackName="gdb"
+        Version="1"
+        OutputFile="%bdse.exe"
+        CompilerConfigName="Latest Version">
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+            <Target
+                Name="Compile"
+                MenuCaption="&amp;Compile"
+                Dialog="_gnuc_options_form Compile"
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+                OutputExts="*.o"
+                SaveOption="SaveCurrent"
+                RunFromDir="%rw">
+                <Exec CmdLine='gcc -c %xup %defd -o "%bd%n%oe" %i "%f"'/>
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+            <Target
+                Name="Link"
+                MenuCaption="&amp;Link"
+                ShowOnMenu="Never"
+                Dialog="_gnuc_options_form Link"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveCurrent"
+                RunFromDir="%rw">
+                <Exec CmdLine='gcc %xup -o "%o" %f %libs'/>
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+                Name="Build"
+                MenuCaption="&amp;Build"
+                Dialog="_gnuc_options_form Compile"
+                CaptureOutputWith="ProcessBuffer"
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+                SaveOption="SaveWorkspaceFiles"
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+                Name="Rebuild"
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+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveWorkspaceFiles"
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+                <Exec CmdLine='"%(VSLICKBIN1)vsbuild" "%w" "%r" -t rebuild'/>
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+            <Target
+                Name="Debug"
+                MenuCaption="&amp;Debug"
+                Dialog="_gnuc_options_form Run/Debug"
+                BuildFirst="1"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveNone"
+                RunFromDir="%rw">
+                <Exec CmdLine='vsdebugio -prog "%o"'/>
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+            <Target
+                Name="Execute"
+                MenuCaption="E&amp;xecute"
+                Dialog="_gnuc_options_form Run/Debug"
+                BuildFirst="1"
+                CaptureOutputWith="ProcessBuffer"
+                Deletable="0"
+                SaveOption="SaveWorkspaceFiles"
+                RunFromDir="%rw">
+                <Exec CmdLine='"%o"'/>
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+                Name="dash"
+                MenuCaption="-"
+                Deletable="0">
+                <Exec/>
+            </Target>
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+                Name="GNU C Options"
+                MenuCaption="GNU C &amp;Options..."
+                ShowOnMenu="HideIfNoCmdLine"
+                Deletable="0"
+                SaveOption="SaveNone">
+                <Exec
+                    CmdLine="gnucoptions"
+                    Type="Slick-C"/>
+            </Target>
+        </Menu>
+        <Rules Name="Compile">
+            <Rule
+                InputExts="*.ada"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gnat -O -c -o "%bd%n.o" "%f"'/>
+            </Rule>
+            <Rule
+                InputExts="*.adb"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gnat -O -c -o "%bd%n.o" "%f"'/>
+            </Rule>
+            <Rule
+                InputExts="*.f"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gfortran -O -g -o "%bd%n.o" "%f"'/>
+            </Rule>
+            <Rule
+                InputExts="*.f90"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gfortran -O -g -o "%bd%n.o" "%f"'/>
+            </Rule>
+            <Rule
+                InputExts="*.d"
+                OutputExts="*.o"
+                LinkObject="1">
+                <Exec CmdLine='gdc -c -g -o "%bd%n.o" "%f"'/>
+            </Rule>
+        </Rules>
+        <List Name="GNUC Options">
+            <Item
+                Name="LinkerOutputType"
+                Value="Executable"/>
+        </List>
+    </Config>
+    <Files>
+        <Folder
+            Name="Source Files"
+            Filters="*.c;*.C;*.cc;*.cpp;*.cp;*.cxx;*.c++;*.prg;*.pas;*.dpr;*.asm;*.s;*.bas;*.java;*.cs;*.sc;*.scala;*.e;*.cob;*.html;*.rc;*.tcl;*.py;*.pl;*.d;*.m;*.mm;*.go;*.groovy;*.gsh"
+            GUID="{F2DDBD21-2907-4AC1-8E21-43DF92EF501C}">
+            <F N="sqstack.c"/>
+        </Folder>
+        <Folder
+            Name="Header Files"
+            Filters="*.h;*.H;*.hh;*.hpp;*.hxx;*.h++;*.inc;*.sh;*.cpy;*.if"
+            GUID="{37DC804C-80DB-4C54-841C-A28EA5ECEA0E}">
+            <F N="sqstack.h"/>
+        </Folder>
+        <Folder
+            Name="Resource Files"
+            Filters="*.ico;*.cur;*.dlg"
+            GUID="{5FAFD04A-6FF9-42CA-BAC7-F94D13D3FCF0}"/>
+        <Folder
+            Name="Bitmaps"
+            Filters="*.bmp"
+            GUID="{C19C5EAD-EB2C-4F71-9D63-8FFE80DB5540}"/>
+        <Folder
+            Name="Other Files"
+            Filters=""
+            GUID="{1B5AD00D-3FF9-43DD-8ED2-67DDE3FD25F7}">
+            <F
+                N="makefile"
+                Type="Makefile"/>
+        </Folder>
+    </Files>
+    <List Name="RTE">
+    </List>
+</Project>

stack/se.vpw

@@ -0,0 +1,6 @@
+<!DOCTYPE Workspace SYSTEM "http://www.slickedit.com/dtd/vse/10.0/vpw.dtd">
+<Workspace Version="10.0" VendorName="SlickEdit">
+    <Projects>
+        <Project File="se.vpj"/>
+    </Projects>
+</Workspace>

stack/se.vpwhist

@@ -0,0 +1,6 @@
+[Global]
+CurrentProject=se.vpj
+[ProjectDates]
+se.vpj=20210624060356129
+[ActiveConfig]
+se.vpj=Debug

stack/sqstack.c

@@ -0,0 +1,94 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "sqstack.h"
+
+sqstack_t pkt_creat_sqstack(int len)
+{
+    sqstack_t s;
+    if((s = (sqstack_t)malloc(sizeof(struct sqstack))) == NULL)
+    {
+        printf("malloc failed!\n");
+        return NULL;
+    }
+
+    if((s->frame = (stack_frame_t)malloc(sizeof(struct stack_frame) * len)) == NULL)
+    {
+        printf("malloc failed!\n");
+        return NULL;
+    }
+
+    s->max_len = len;
+    s->top = -1;
+    return s;
+}
+
+int pkt_sqstack_empty(sqstack_t s)
+{
+    return s->top == -1 ? 1 : 0;
+}
+
+int pkt_sqstack_full(sqstack_t s)
+{
+    return  s->top == (s->max_len - 1) ? 1 : 0;
+}
+
+void pkt_clear_sqstack(sqstack_t s)
+{
+    s->top = -1;
+}
+
+stack_frame_t pkt_sqstack_pop(sqstack_t s)
+{
+    if(pkt_sqstack_empty(s))
+    {
+        printf("sqstack is empty!\n");
+        return NULL;
+    }
+
+    s->top--;
+    return &s->frame[s->top + 1];
+}
+
+int pkt_sqstack_push(sqstack_t s, struct stack_frame frame)
+{
+    if(pkt_sqstack_full(s))
+    {
+        printf("sqstack is full!\n");
+        return -1;
+    }
+
+    s->frame[s->top + 1] = frame;
+    s->top++;
+    return 0;
+}
+
+stack_frame_t pkt_get_sqstack_top(sqstack_t s)
+{
+    return &s->frame[s->top];
+}
+
+void pkt_sqstack_free(sqstack_t s)
+{
+    free(s->frame);
+    free(s);
+}
+
+int main(void)
+{
+    sqstack_t s = pkt_creat_sqstack(10);
+    struct stack_frame frame;
+
+    for(int i = 1; i <= 10; i++)
+    {
+        frame.data = i;
+        pkt_sqstack_push(s, frame);
+    }
+
+    while(!pkt_sqstack_empty(s))
+    {
+        printf("%d\n", pkt_sqstack_pop(s)->data);
+    }
+
+    return 0;
+}
+

stack/sqstack.h

@@ -0,0 +1,18 @@
+#ifndef _SQSTACK_H_
+#define _SQSTACK_H_
+
+struct stack_frame
+{
+    int data;
+};
+typedef struct stack_frame * stack_frame_t;
+
+struct sqstack
+{
+    stack_frame_t frame;
+    int max_len;
+    int top;
+};
+typedef struct sqstack *sqstack_t;
+
+#endif