fflush : fflush « stdio.h « C Tutorial

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C Tutorial » stdio.h » fflush

22.5.1.fflush

Item	Value
Header	#include
Declaration	int fflush(FILE *stream);
Function	force the buffer contents to be written to the file.
Return	0 on success or EOF on error.

#include <stdio.h>

  #include <stdlib.h>



  int main(void){

     FILE *fp;



     if((fp=fopen("test", "rb"))==NULL) {

        printf("Cannot open file.\n");

        exit(1);

     }



      char ch = 'C';

      int i;

      for(i=0; i<5; i++) {

        fwrite(ch, sizeof(ch), 1, fp);

        fflush(fp);

      }

      fclose(fp);

      return 0;

  }

22.5.fflush
	22.5.1.	fflush
	22.5.2.	Flush the buffer

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