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#include <stddef.h>
 char * ___strtok = NULL;
 
 char * strcpy(char * dest,const char *src)
 {
         char *tmp = dest;
 
         while ((*dest++ = *src++) != '\0')
                 /* nothing */;
         return tmp;
 }
 
 char * strncpy(char * dest,const char *src,size_t count)
 {
         char *tmp = dest;
 
         while (count-- && (*dest++ = *src++) != '\0')
                /* nothing */;
 
         return tmp;
 }
 
 char * strcat(char * dest, const char * src)
 {
         char *tmp = dest;
 
         while (*dest)
                 dest++;
         while ((*dest++ = *src++) != '\0')
                 ;
         return tmp;
 }
 
 char * strncat(char *dest, const char *src, size_t count)
 {
         char *tmp = dest;
         if (count) {
                 while (*dest)
 


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<stdio.h>
int main()
{
   
printf("Hello,World!\n");
    return 0;

}




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#include <stdio.h>
int main ()
{
    FILE *fp1;
    fp1=fopen("test0.txt","rt");
    if(fp1==NULL)
    {
        printf("can not open test0.txt\n");return 0;
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struct netdev_stats {
    unsigned long long rx_packets_m;    /* total packets received       */
    unsigned long long tx_packets_m;     &nbs ......

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