Code Example _IO_fseek

fseek

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fseek.c

 1 #include <stdio.h>
 2 #include <stdlib.h>
 3 
 4 int main(void)
 5 {
 6     // 打开/创建
 7     FILE *fp = fopen("./1.text","w+");
 8     if(fp==NULL){
 9         perror("fopen failed");
10         exit(1);
11     }
12 
13     // 写字符串
14     fputs("panda_w " , FP);
 15  
16  
. 17      // File Location 
18 is      fseek (FP, 2 , SEEK_SET);       // the beginning of the file stream position is set, and the two move!
 . 19  
20 is  
21 is      // reading character 
22 is      int P = fgetc ( FP);
 23 is      IF (P == the EOF) {
 24          perror ( " fgetc failed " );
 25          Exit ( . 1 );
 26 is      }
 27      the printf ( " Read: C% \ n- " , P);
 28      
29  
30     // Close 
31 is      fclose (FP);
 32  
33 is      return  0 ;
 34 is }

 

test:

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success ！