C语言fread函数_C语言fread

    size_t fread(void *buffer, size_t length, size_t count, FILE *filename);

    void *buffer, size_t length, size_t count, FILE *filename

    size_t fread(void *buffer, size_t length, size_t count, FILE *filename);

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

int main(){
   
   
	FILE *f;
	//initialize the arr1 with values
	int arr1[5]={
   
   1,2,3,4,5};
	int arr2[5];
	int i=0;

	//open the file for write operation
	if((f=fopen("includehelp.txt","w"))==NULL){
   
   
		//if the file does not exist print the string
		printf("Cannot open the file...");
		exit(1);
	}
	//write the values on the file
	if((fwrite(arr1,sizeof(int),5,f))!=5){
   
   
		printf("File write error....\n");
	}
	//close the file
	fclose(f);
	
	//open the file for read operation
	if((f=fopen("includehelp.txt","r"))==NULL){
   
   
		//if the file does not exist print the string
		printf("Cannot open the file...");
		exit(1);
	}
	//read the values from the file and store it into the array
	if((fread(arr2,sizeof(int),5,f))!=5){
   
   
		printf("File write error....\n");
	}
	fclose(f);
	
	printf("The array content is-\n");
	for(i=0;i<5;i++){
   
   
		printf("%d\n",arr2[i]);
	}
	
	return 0;
}