/* Program#file1.c Example of C file handling */ #include /* header file */ #include void main(void) { FILE *fp; /* file pointer */ int i; /* open file for output */ if ((fp = fopen("myfile", "w"))==NULL) { printf("Cannot open file \n"); exit(1); } i=100; if (fwrite(&i, 2, 1, fp) !=1) { printf("Write error occurred"); exit(1); } fclose(fp); /* open file for input */ if ((fp =fopen("myfile", "r"))==NULL) { printf("Read error occurred"); exit(1); } printf("i is %d",i); fclose(fp); }