C Tutorial/stdio.h/fscanf

fscanf

Item Value Header file stdio.h Declaration int fscanf(FILE *stream, const char *format, ...); Function It works exactly like the scanf() function except that it reads from the stream. Return returns the number of arguments actually assigned values or EOF on failure.

<source lang="cpp">#include <stdio.h>

 #include <stdlib.h>
 int main(void)
 {
   FILE *fp;
   float bal[5] = { 1.1F, 2.2F, 3.3F, 4.4F, 5.5F };
   int i;
   if((fp=fopen("test", "wb"))==NULL) {
     printf("Cannot open file.\n");
     exit(1);
   }
   if(fwrite(bal, sizeof(float), 5, fp) != 5){
     printf("File read error.");
   }
   fclose(fp);
   char str[80];
   float f;
   fscanf(fp, "%s%f", str, &f);
   fclose(fp);
 }</source>