ftell: returns the value for the file position pointer : ftell « stdio.h « C / ANSI-C

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C / ANSI-C » stdio.h » ftellScreenshots 
ftell: returns the value for the file position pointer


    

//Header file:     #include <stdio.h>  
//Declaration      long int ftell(FILE *stream); 
//Return:          returns -1 on failure. 

  
   #include <stdio.h>
   #include <stdlib.h>

   int main(void){
      FILE *fp;

      if((fp=fopen("test""rb")) == NULL) {
        printf("Cannot open file.\n");
        exit(1);
      }


      int i;
      if((i=ftell(fp)) == -1L)
         printf("A file error has occurred.\n");
      fclose(fp);
   }


           
       
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