#include <stdio.h> int main () { FILE *file; char c; int n = 0; file = fopen("my.txt", "r"); if (file==NULL) perror ("Error reading file"); else { do { c = getc (file); if (c == '$') n++; } while (c != EOF); fclose (file); printf ("my.txt contains %d $.\n",n); } return 0; }