C language File read/write operation, write data to file

Very early written in the Linux system file read and write operations, write data to the file, very time for beginners to learn

#include <stdio.h>int writeinfotofile (const char *strfile) {int age, I;char name[10]; File *FP;FP = fopen (strfile, "w");//read-only mode open if (fp = = NULL) {perror ("fopen");//File open failed, print error message return-1;} for (i=0; i<3; i++)//write Data {printf ("Iput Age and Name:\n"), scanf ("%d%s", &age, Name), fprintf (FP, "%d,%s\n", age, Nam e);} Fclose (FP);//Close File}int main () {char file[20] = "Data.txt"; writeinfotofile (file);//system ("CP file Data.csv");}

C language File read/write operation, write data to file