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[root@ocsser file]# cat array-05.c
//this is a program for two juzheng xiangcheng.
#include <stdio.h>
int main(){
        int i,j,m,n;
        int g,k,f;
        int c[5][6];
        int a[5][4]={1,5,7,3,
                3,6,3,9,
                1,2,8,7,
                0,3,1,9,
                3,2,5,4 };
        int b[4][6]={3,9,1,4,1,4,
                5,6,7,9,0,3,
                3,2,7,2,5,6,
                9,7,4,7,8,0};
        printf("---------------------------\n");
        printf("array a as following:\n");
        for(i=0;i<4;i++){
                printf("\n");
                for (j=0;j<5;j++)
                        printf("%d ",a[i][j]);
        }
        printf("\n---------------------------\n");
        printf("


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GNU C Library——×îÈ«µÄ£Ãº¯Êý˵Ã÷

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The GNU C Library Manual
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Turbo C 2.0 º¯ÊýÖÐÎÄ˵Ã÷´óÈ«

Turbo C 2.0 º¯ÊýÖÐÎÄ˵Ã÷´óÈ«
·ÖÀຯÊý,ËùÔÚº¯Êý¿âΪctype.h
int isalpha(int ch) ÈôchÊÇ×Öĸ('A'-'Z','a'-'z')·µ»Ø·Ç0Öµ,·ñÔò·µ»Ø0
int isalnum(int ch) ÈôchÊÇ×Öĸ('A'-'Z','a'-'z')»òÊý×Ö('0'-'9'),·µ»Ø·Ç0Öµ,·ñÔò·µ»Ø0
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int age = 25;
const int *pAge = &age;

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2¡¢pAge ±¾Éí¿ÉÒÔÔÙ´æ·ÅÆäËü±äÁ¿µÄµØÖ·£¬Ò²¿ÉÒÔÖ¸ÏòNULL£¬Èç pAge = NULL;ÊÇÕýÈ·µÄ¡£
¶ ......

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