About Fprint () and fwrite ()

int num = 12345;

Store 12345 as a binary number in num

1.

fprintf (FP, "%d", num); Write the binary code of the character ' 1 ', ' 2 ', ' 3 ', ' 4 ', ' 5 ' into the file

2.

Fwrite (&num, sizeof (int), n, FP); The binary code of Value 12345 is written to the file, the data is divided into n blocks, each block is an int size,

• FP specifies the file to write to.
• &num Memory storage address for read-in file data
• Fread () is the same as the parameter of the fwrite () function. (By using the fread () function, read the file data written by fwrite ())

About Fprint () and fwrite ()