6 files changed, 196 insertions, 0 deletions
diff --git a/c/dataStructure/栈和队列/队列/循环队列/main.c b/c/dataStructure/栈和队列/队列/循环队列/main.c
new file mode 100755
index 0000000..e69de29
--- /dev/null
+++ b/c/dataStructure/栈和队列/队列/循环队列/main.c
diff --git a/c/dataStructure/栈和队列/队列/循环队列/queue.c b/c/dataStructure/栈和队列/队列/循环队列/queue.c
new file mode 100755
index 0000000..2c7f781
--- /dev/null
+++ b/c/dataStructure/栈和队列/队列/循环队列/queue.c
@@ -0,0 +1,53 @@
+#include "queue.h"
+
+bool InitQueue(Queue * q)
+{
+    q->base = (int *) malloc (sizeof(int) * MAXSIZE);
+    if (!q->base)
+    {
+        fprintf(stderr,"Failed to allocate memory!\n");
+        return false;
+    }
+
+    q->front = q->rear = 0;
+}
+
+bool EnQueue(Queue * q, int e)
+{
+    if ((q->rear + 1)%MAXSIZE == q->front)
+    {
+        fprintf(stderr,"Queue is full!\n");
+        return false;
+    }
+
+    q->base[q->rear] = e;
+    q->rear = (q->rear + 1) % MAXSIZE;
+
+    return true;
+}
+
+bool DeQueue(Queue * q, int * e)
+{
+    if (q->front == q->rear)
+    {
+        fprintf(stderr,"Queue is empty");
+        return false;
+    }
+
+    *e = q->base[q->front];
+    q->front = (q->front + 1) % MAXSIZE;
+
+    return true;
+}
+
+int LengthQueue(Queue * q)
+{
+    return (q->rear - q->front + MAXSIZE) % MAXSIZE;
+}
+
+int GetHead(Queue * q)
+{
+    if (q->front != q->rear)
+        return q->base[q->front];
+    return -1;
+}
+\ No newline at end of file
diff --git a/c/dataStructure/栈和队列/队列/循环队列/queue.h b/c/dataStructure/栈和队列/队列/循环队列/queue.h
new file mode 100755
index 0000000..11806b5
--- /dev/null
+++ b/c/dataStructure/栈和队列/队列/循环队列/queue.h
@@ -0,0 +1,17 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<stdbool.h>
+
+#define MAXSIZE 5
+
+typedef struct queue {
+    int * base;
+    int front;
+    int rear;
+} Queue;
+
+bool InitQueue (Queue * q);
+bool EnQueue (Queue * q, int e);
+bool DeQueue (Queue * q, int * e);
+int  LengthQueue (Queue * q);
+int  GetHead (Queue * q);
+\ No newline at end of file
diff --git a/c/dataStructure/栈和队列/队列/链队列/main.c b/c/dataStructure/栈和队列/队列/链队列/main.c
new file mode 100755
index 0000000..db5ae9a
--- /dev/null
+++ b/c/dataStructure/栈和队列/队列/链队列/main.c
@@ -0,0 +1,28 @@
+#include "queue.h"
+
+int main(void)
+{
+    ElemType e;
+    pqueue head, tail;
+    InitQueue(&head);
+    InitQueue(&tail);
+
+    while ((e = getchar()) != '\n')
+    {
+        EnQueue(&tail, &e);
+        if (EmptyQueue(&head))
+            head = tail;
+    }
+
+    PrintQueue(&head);
+    ElemType retval;
+
+    DeQueue(&head, &retval);
+    printf("'%c' quit queue\n",retval);
+
+    PrintQueue(&head);
+
+    RsQueue(&head);
+
+    return 0;
+}
diff --git a/c/dataStructure/栈和队列/队列/链队列/queue.c b/c/dataStructure/栈和队列/队列/链队列/queue.c
new file mode 100755
index 0000000..94361d1
--- /dev/null
+++ b/c/dataStructure/栈和队列/队列/链队列/queue.c
@@ -0,0 +1,75 @@
+#include "queue.h"
+
+void InitQueue(pqueue * q)
+{
+    *q = NULL;
+}
+
+bool EmptyQueue(pqueue * qhead)
+{
+    if (!*qhead)
+        return true;
+    return false;
+}
+
+bool EnQueue(pqueue * qtail, ElemType * e)
+{
+    pqueue new = (pqueue) malloc (sizeof(Queue));
+    if (!new)
+        return false;
+    new->data = *e;
+    new->next = NULL;
+
+    if (!*qtail)
+        *qtail = new;
+    else
+    {
+        (*qtail)->next = new;
+        *qtail = new;
+    }
+
+    return true;
+}
+
+bool DeQueue(pqueue * qhead, ElemType * e)
+{
+    pqueue tmp = *qhead;
+    if (!*qhead)
+        return false;
+    *e = tmp->data;
+    *qhead = (*qhead)->next;
+    free(tmp);
+
+    return true;
+}
+
+bool RsQueue (pqueue * qhead)
+{
+    if (EmptyQueue(qhead))
+        return false;
+    pqueue tmp = *qhead;
+
+    while (!*qhead)
+    {
+        tmp = (*qhead)->next;
+        free(*qhead);
+        *qhead = tmp;
+    }
+
+    return true;
+}
+
+bool PrintQueue (pqueue * qhead)
+{
+    if (EmptyQueue(qhead))
+        return false;
+    pqueue tmp = *qhead;
+
+    while (tmp)
+    {
+        printf("%c", tmp->data);
+        tmp = tmp->next;
+    }
+    putchar('\n');
+    return true;
+}
diff --git a/c/dataStructure/栈和队列/队列/链队列/queue.h b/c/dataStructure/栈和队列/队列/链队列/queue.h
new file mode 100755
index 0000000..e444632
--- /dev/null
+++ b/c/dataStructure/栈和队列/队列/链队列/queue.h
@@ -0,0 +1,23 @@
+#ifndef _QUEUE_H
+#define _QUEUE_H
+
+#include<stdio.h>
+#include<stdlib.h>
+#include<stdbool.h>
+
+typedef char ElemType;
+
+typedef struct queue {
+    ElemType data;
+    struct queue * next;
+} Queue;
+typedef Queue * pqueue;
+
+void InitQueue  (pqueue * q);
+bool EnQueue    (pqueue * qtail, ElemType * e);
+bool DeQueue    (pqueue * qhead, ElemType * e);
+bool RsQueue    (pqueue * qhead);
+bool EmptyQueue (pqueue * qhead);
+bool PrintQueue (pqueue * qhead);
+
+#endif