Question

How to use fputc() function to write a character to a file in C

Answer 1

#include <stdio.h>
   
int main(void)
{
	FILE *fp = fopen("d:\\data.txt", "w");

    if (fp == NULL) 
		perror ("Error open file");
    else
    {
		 for (char ch = 'A' ; ch <= 'Z' ; ch++)
			fputc(ch, fp);
		
        fclose(fp);
    }
	
    return 0;
}
  
// file content: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 
 
/*
run:
  


*/

 

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