fputc - Writes a character to the stream in C



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

  int main(void)
  {
    FILE *fp;

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

    char *str = "www.forgetcode.com";
    while(*str){
         if(!ferror(fp)) {
              fputc(*str++, fp);
         }
    }
 
    fclose(fp);
  }