fwrite : fwrite « stdio.h « C Tutorial

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C Tutorial » stdio.h » fwrite

22.19.1.fwrite

Item	Value
Header file	stdio.h
Declaration	size_t fwrite(const void buf, size_t size, size_t count, FILE stream);
Function	writes count number of objects.
Return	returns the number of items written on success. Fewer items written means failure.

#include <stdio.h>

  #include <stdlib.h>



  int main(void)

  {

    FILE *fp;

    float f=12.23;



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

      printf("Cannot open file.\n");

      exit(1);

    }



    fwrite(&f, sizeof(float), 1, fp);



    fclose(fp);



    return 0;

  }

22.19.fwrite
	22.19.1.	fwrite

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